（） his number for an hour only to hear a busy signal, she became impatient and called the operator for assistance._精华吧

（） his number for an hour only to hear a busy signal, she became impatient and called the operator for assistance.

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（） his number for an hour only to hear a busy signal, she became impatient and called the operator for assistance.

A.Dialing

B.Dialed

C.Having dialed

D.To dial

正确答案：C

Tag：时间：2023-10-24 10:26:47

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