阅读理解
Mr. Gao lives in a town. When he was twenty-five, his son was born. He calls him Gao Ling. The little boy is clever. He and his wife love him very much. It’s September 1st today. A new school year begins. Gao Ling is happy and wears his most beautiful clothes. He’s going to school with his new bag. “Let me take you to school, dear.” said Mrs. Gao. “Thank you, Mummy,” said the boy. “The school is not far from here. I can go there myself.”
At school a teacher met the  little boy and asked, “What’s your name, my little friend?” “Gao Ling, sir.” answered the boy. “How old are you?” “Six, sir.” “What’s your father’s name?” “Gao Daling, sir.” “How old is  he?” “He is six, too, sir.” “Oh,” the teacher said in surprise. “Is he as old as you?”
“Yes, sir,” said the boy. “He became a father only on the day when I was born.”
Mr. Gao is _____now.

A．six

B．twenty-five

C．thirty- one

D．thirty-five

Mr. and Mrs. Gao love their son because_____.

A．the boy is clever

B．he likes to go to school

C．he can go to school himself

D．he can answer their question

Gao Ling didn’t let his mother take him to school because_____.

A．she was too busy

B．his friends could took him

C．the policeman could help him

D．the school is near and he could take care of himself

Gao Ling went to school_____.

A．by car

B．on foot

C．by train

D．by bike

Gao Ling thought_____.

A．his father and he were born on the same day

B．his father was younger than him

C．his father forgot to tell him about his age

D．Gao Daling became a father only for six years