读故事，根据故事内巍择最佳选项回答问题。(共14分，每小题2分)

Children in the US like K Day very much. K is for kites. March 7th is the day.  On that day, many children go out in the open air. They take their kites with them. Some kites are very big. Some are small. They are in different colours. Every kite has a long string .
Children begin to run to let their kites up.They let out the string from the ball in their hands. Now the kites are flying in the sky. How nice they look!
（1）(   )Which one is true?
A. On March 7th, children in the US often stay at home and make kites.
B.K Day is in May in the US. On that day, children fly their kites at school.
C.Children in the US like K Day very much. They often go out and fly kites on K Day.
（2）(  )What is the best  name for the story?
A. Children's Day.
B. K Day.
C. Making a Kite.
（3）(  )What is the word string in Chinese?
A.尾巴  B.丝带  C.线