单项选择题

A:Welcome to Bibury Systems.
B:（）

A. Thank you.
B. That’s Research and Development.
C. No， thank you.
D. Yes.

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单项选择题

（）,three months ago I could not have negotiated this deal.

A. Especially
B. Partially
C. Entirely
D. Obviously

单项选择题

Is it possible（）

A. It is entirely our fault.
B. to talk to the Manager？
C. I’m terribly sorry.
D. with our compliments.