-----I forget the name of an old school friend at the party.---. It must have been very

问题补充：

-----I forget the name of an old school friend at the party.

-----. It must have been very embarrassing.

A. Take it easy

B. That’s too bad

C. Nothing serious

D. Don’t mention it

答案：

A. Take it easy

(答案→)B. That’s too bad

C. Nothing serious

D. Don’t mention it

解析：四个选项分别表示别着急、那糟了、没什么大问题和别客气，根据题意选B，在聚会上我忘了一个老校友的名字。——那太糟糕了。那肯定非常尴尬。