根据句意，用括号内所给词的适当形式填空。

1. On my way home I met a famous ______ (act) yesterday.

2. I must ______ (winner) a prize this term.

3. _______ (unfortunate) I don't have enough money to travel abroad.

4. I know many ______ (visit) come to China every year.

5. They always have fun ______ (talk) to each other.

可用于反映借款人信用状况的信用衍生产品是（）。

A．总收益互换

B．信用违约互换

C．信用联动票据

D．信用价差衍生产品