17 What is true according to the passage?

[A] Helen was born blind and deaf

[B] A sickness caused her to be blind and deaf

[C] Helen lost her sight and hearing at the age of 19

18 When did her teachers come to Helen Keller

[A] When Helen was 7

[B] When Helen was 17

[C] Immediately after Helen lost her sight and hearing

19 What is about Helen's later life according to the passage?

[A] She could see and hear again

[B] She became a writer and wrote a lot of books

[C] She painted many drawings

20 How did Helen reach others' understandings?

[A] She taught herself

[B] With the help of her family

[C] With the help of her teacher