The old farmer was run down by a car. He was taken to the hospital and ______ on by the chief surgeon right now.

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问题 The old farmer was run down by a car. He was taken to the hospital and ______ on by the chief surgeon right now.

选项 A、operated
B、having been operated
C、is operated
D、is being operated

答案D

解析 题型:语法题。考查一个句子中多种时态的混用,关键在于分清具体时段。注意关键词right now,表示现在,眼下,正在进行,故应使用进行时态,又因为operate存在被动关系,所以最后选择D。
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