单选题
Reporters rushed to the Airport after the CNN reported that nine passengers ______ by a "terrorist" on the plane.
A、
were holding
B、
held
C、
had held
D、
were being held
【正确答案】
D
【答案解析】
考查动词时态和语态。were being held是过去进行时的被动语态。只有D符合要求。
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