Jane is only four and doesn't go to school．Her grandpa was a teacher and now stays at home．He teaches the girl to read and write．The girl studies hard and has learned a lot．She can count from one to one hundred, read some picture-books and write the names of her family．Her parents are happy and often show it to others．People often praise(赞扬)her for it．Once Mrs Black took her daughter to a birthday party, the guests praised a rich woman's boy．Mrs Black asked him a few questions, but all his answers were wrong．Jane began to laugh at him．The rich woman was angry．She told her friend, a teacher, to ask the girl some questions, but the girl answered all．The teacher was surprised and thought for a while．Then she asked,“There're three flies on a table．How many will be left if I beat one?”“One,”answered Jane．“You're wrong,”called out the fat woman．“All of them will fly away!”“Don't you think a dead fly can fly, Madam?”asked the little girl．
The guests began to laugh and the woman's face turned red．
(1)
Jane can read and write because ________．
[ ]
A．
her grandpa was a teacher
B．
she wants to go to school
C．
she likes to read the picture-books
D．
she's a very clever girl
(2)
The guests praised the boy that day because ________．
[ ]
A．
he knew much
B．
his mother was rich
C．
he could answer their questions
D．
they went to his birthday party
(3)
________, so the woman was angry．
[ ]
A．
Her son couldn't answer the questions
B．
Mrs Black didn't think the boy was clever
C．
Jane laughed at her son
D．
Jane didn't praise her son
(4)
Which of the following is true?
[ ]
A．
It was easy for Jane to answer all the teacher's questions．