问题描述：
一道英语难题 选择题
Hello,may i speak to Bob?
_____________.Would you please call him late?
A Wait a minute. B Hold on. C He's at work. D Sorry, he's out.
Hello,may i speak to Bob?
_____________.Would you please call him late?
A Wait a minute. B Hold on. C He's at work. D Sorry, he's out.
问题解答：
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