-Mum, what are you getting me for my birthday?

-________ you'll have to wait and see.[ ]

A．I think so  

B．I'll tell you what

C．I wouldn't say no  

D．I'm  not telling you

客户注销网银时，动态口令牌如何处理（）

A.收回客户的口令牌，入库保管

B.不注销口令牌，请客户自行保管

C.不注销口令牌，收回后专库保管，以便客户日后重新使用

D.收回后使用利器销毁口令牌