【題目】A full preparation before Beijing finally won the bid for hosting the 2022 Winter Olympic Games.

A. has been made B. had been made

C. would be made D. is made

【答案】B

【解析】句意為：北京在最終贏得2022年冬奧會主辦權之前已經(jīng)做了充分的準備。該句中“before Beijing finally won the bid”使用了一般過去時態(tài)，而做準備發(fā)生在won這個動作之前，因此使用過去完成時態(tài)。

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