根据上下文补全对话

A: Kate, what are you    1   ?

B: I'm reading today's newspaper. What's    2   ?

A: May I borrow your VCD player?

B:    3    how long?

A: Until the end of the week.

B: Yes, I guess that it would be all right.

A: Thank you very much.    4    do you have any new discs?

B: Yes, I've just got three new pop music discs. I'll    5    them to you with the machine tomorrow.

A: That's great. Thanks. I'll give them back to you soon.

1. _____ 2. _____ 3. _____ 4. _____ 5. _____

圆筒形件拉深时，毛坯的凸缘变形区径向受（）。

A.切向力

B.拉应力

C.剪切力

D.压应力