Thetelephone________fourtimesinthe

发布时间：2020-07-10 20:54:33

The telephone________ four times in the last hour, and each time it ________ for the studentdoing a part-time job.













A.had rung;was












B.had beenringing; is











C.has rung;was











D.rang; hadbeen

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C解析and连接两个并列句，in the last hour表明要用现在完成时。
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