根据答语写出对应的问句。

1. ________________________________________________?

    We're going to the zoo this Sunday.

2. ________________________________________________?

    I ate dinner at 7: 00 last night.

3. ________________________________________________?

    John went to school by bus. 

4. ________________________________________________?

    Mary bought some storybooks in the bookstore.

5. ________________________________________________?

    No, I went ice-skating last week.            

属于阴的性为

A．干涩
B．凝滞
C．数变
D．重浊
E．炎上