问题描述：
-Excuse me,you're wanted on the phone.
-I'm sorry I can't hear you clearly.Would you please pardon?
A.That's all right.
B.OK.I'll say it once more.
C.I'm sorry.Please go ahead.
D.Excuse me,you're wanted on the phone.
Which one?Why?
B or
-I'm sorry I can't hear you clearly.Would you please pardon?
A.That's all right.
B.OK.I'll say it once more.
C.I'm sorry.Please go ahead.
D.Excuse me,you're wanted on the phone.
Which one?Why?
B or
问题解答：
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