【单选题】
--I called you yesterday. A woman answered, but I didn't recognize her voice.
--Oh, it _________my aunt Jean.
A. must be
B. must have been
C. might be
D. can have been
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根据网考网移动考试中心的统计,该试题:
7%的考友选择了A选项
86%的考友选择了B选项
3%的考友选择了C选项
4%的考友选择了D选项