【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
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根据网考网移动考试中心的统计,该试题:
61%的考友选择了A选项
38%的考友选择了B选项
0%的考友选择了C选项
1%的考友选择了D选项