单选题
He ______with Smith at least four times in the past three years.
A、
has been seen to meet
B、
was seen to meet
C、
had been seen meeting
D、
is seen meeting
【正确答案】
A
【答案解析】
本题测试被动语态的时态。从“in the past three years”可知，该句应用现在完成时，可排除B、C、D项。
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