(单选题) — I’d like to talk to Professor Li, please. ( )(本题5.0分)
A、 Oh, you have bad luck.
B、 He.s stepped out of the office for a little while.
C、 I.m sorry that it.s too late.
D、 Who are you, please?
出自:西安石油大学大学英语(2)作业题

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