— What's the girl like?

— She was a brave girl. She fought bravely and her enemy had to _____ her at last. [ ]

A. give up

B. give up to

C. give in

D. give in to

客户交易密码是按客户号进行设置的交易密码，一个客户号可拥有（）客户交易密码。

A.1

B.2

C.3

D.多个