单项选择题

One of the guards ______ when the general came in, which made him very angry.

A．has slept
B．were sleeping
C．slept
D．was sleeping
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You don't object ______ you by your first name, do you
A．for me to call
B．me to call
C．to my calling
D．my calling
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I suppose you're not serious, ______
A．don't I
B．do I
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