题目内容
Up to now, thousands of red phone boxes, the old image of Britain, ________ due to mobile phones.
A.removed B.have removed
C.were removed D.have been removed
D
【解析】考查动词时态和语态。根据时间状语up to now通常与现在完成时连用,故排除A、C两项;主语“thousands of red phone boxes”与动词remove之间构成动宾关系,所以用现在完成时的被动形式。故选D项。
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