—I am going to travel to Jamaica. Would you consider telling me about your experiences there?

—_        _. Let's discuss it over dinner.

A．That's all right

B．Go ahead

C．By all means

D．It just depends

纳税人办理税务登记后，发生改变法定代表人.增加注册资金（资本）的情形，应当办理（　　）。

A．开业登记

B．停业登记　

C．注册登记

D．变更登记