Born in America in 1898, William was an extraordinary boy, gifted with an amazing IQ between 250 and 300.The genius went to a grammar school when he was only 6 years old and graduated just within 7 months.At the age of 11, he became the youngest student of the Harvard University.He graduated with high scores at the age of 16 and entered Harvard Law School at 18.
Gifted with an amazing IQ between 220 and 230, Terence Tao makes it to this list of the people with the highest IQ in the world.Born in Adelaide, Australia in 1975, this genius first displayed his incredible intelligence at a mere age of 2, when he managed to solve basic arithmetic questions on his own.At the age of 16, he graduated with both Master' s and Bachelor' s degrees at the Flinders University.He has been considered as '' Mr.Fix it " by Charles Fefferman, who is a professor of Mathematics at Princeton University, and many other mathematicians want to interest him in their problems.
This 31-year-old Japanese-American astrophysicist lands him third in this list.At the age of 12, Christopher Hirata already worked on college-level courses, around the time most of us were just in the 7^th grade.At the age of 13, this gifted kid became the youngest American to have ever won the gold medal in the International physics Olympiad.
At the age of 16, he was already working with NASA on its project to conquer planet Mars.After he was awarded the Ph.D.at Princeton University, he went back to California Institute of Technology.
The next person with very high IQ is Albert Einstein.With an IQ between 160 and 190, Albert Einstein is the genius behind the theory of relativity, which has had great impact on the world of science.He possessed such an amazing ability that after his death, researchers were eager to preserve and make research on his brain in search for clues to his exceptional brilliance, which to this day, has remained a mystery.
About William, which of the following is true?

A．His IQ reached between 220 and 230.

B．At the age of 16, he graduated from a grammar school.

C．At the age of 6, he graduated with both Master' s and Bachelor' s degrees.

D．At the age of 11, he became the youngest student at the Harvard University.[

How many people with remarkable IQ are mentioned in the passage?

A．3

B．4

C．5

D．6

Who once worked on the project to conquer planet Mars?

A．William

B．Terence Tao

C．Christopher Hirata

D．Albert Einstein

From the passage we can know that______.

A．when William graduated from the Harvard Law School, he got the highest scores

B．at the age of 2, Terence solved basic arithmetic questions on his own

C．Christopher Hirata is a Japanese

D．researchers have found out why Albert Einstein was so brilliant

What might be the most suitable title for the passage?

A．The most gifted college students in the world.

B．The most famous people in the world.

C．People with the highest IQ ever recorded.

D．The most famous inventors.