题目内容：

Running a marathon (马拉松) is difficult enough. Doing it with eyes closed for 26.2 miles is more difficult. But that’s exactly what Mike Bruno plans to do during the Pittsburgh marathon.

He’s doing this for his 7-year-old daughter, Cassie, who doesn’t like to communicate with others and has been blind since birth. “Having a blind daughter clearly has caused me a lot of trouble,” Bruno said. “ But it doesn't matter. I love my daughter. I hope to get a better understanding of how she deals with her daily life. I hope this journey will finally make me a better father to guide Cassie through her life.”

“When the doctor told us ‘Your baby is not going to see’, that was the most terrible experience we had ever had,” said Bruno.

“Sometimes I walk around the house with my eyes closed to see what it’s like for her,” said Cassie’s older sister, Carly, 9 years old. “It's kind of scary. You don’t know where everything is.”

But Cassie has fought against difficulties, and her father plans to do the same. “I closed my eyes, and I got ready, and then I tried running, just to see what it is like for her,” said Mike Bruno. “I want everyone to know it’s OK. It’s OK to ask us questions, but it’s not OK to look at us and point to us with surprise. If you’d like to ask us, we will be happy to tell you our story. ”

1.What's wrong with Cassie?

A. She is deaf.    B. She is blind.    C. She is lame (瘸的).    D. She is stupid.

2.Mike Bruno will run the marathon with ______.

A. his mouth closed    B. his eyes closed

C. only one leg    D. some stones in his pocket

3.What is the second paragraph mainly about?

A. The distance of the marathon.    B. The illness of Cassie.

C. The reason why Mike Bruno will run the marathon with his eyes closed.    D. Carly's feeling of walking around with eyes closed.

4.From the last paragraph we can learn that ______.

A. it's interesting for Mike Bruno to run the marathon

B. Mike Bruno thinks it's OK to point to his daughter

C. it's not OK to ask Mike Bruno to tell the story of his daughter

D. Mike Bruno hopes people can treat Cassie as a normal person