听力原文：W: Did you see Mr. Black this morning?
M: Yes, he was having his breakfast at the dining room when I saw him.
Q: Where was Mr. Black when the man saw him?
(4)
A．In his office.
B．At the dining room.
C．At home.
D．In the restaurant.

A.In
B.
B．At
C.
C．At
D.
D．In

【参考答案】

B
解析：根据…he was having his breakfast at the dining room w......

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