根据答句写问句。

1. —               ______________________________

    — He is playing basketball.

2. —         _________________________________

    — My sister is at home.

3. —           _________________________________

    — We are going to go to school at eight o'clock.

4. —           _________________________________

    — I want a sweater.

5. —           _________________________________

    — I am going to watch TV

（）率百人劫曹营，不损一兵一将。

A.蒋钦

B.周泰

C.甘宁

D.丁奉