根据所给情景选出最佳答案。

1. 当你询问对方的妈妈是干什么的时候，说：[ ]

A. What is your mother do?

B. What is your mother's work?

C. What does your mother do?

2. 当你想告诉别人，你叔叔是一名画家时，说：[ ]

A. My uncle is an artist.

B. My uncle is a artist.

C. My father is an artist.

3. 当你想告诉别人，你想成为一名作家时，说：[ ]

A. I wants to be a writer.

B. I want to be a writer.

C. I want to write.

4. 当你想询问别人将来想成为怎样的人时，你问：[ ]

A. What are you doing?

B. What do you do?

C. What are you going to be?

任何单位和个人购买商业银行股份总额（）以上的，应当事先经中国人民银行批准。

A.5%

B.7%

C.8%

D.10%