---Where did the accident happen?

---It was at the post office near the Mansion Friendship ______ the peace talk would be held.

A．where

B．which

C．that

D．When

国家指导性参考价格为：普通咨询报告，每份收费（）元。

A.100～300

B.100～500

C.300～800

D.300～1000