问题
选择题
Hannah ________me; otherwise, other students wouldn't have known my result of the quiz.[ ]
A. may betray
B. must betray
C. must have betrayed
D. should betray
答案
答案：C
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Hannah ________me; otherwise, other students wouldn't have known my result of the quiz.[ ]
A. may betray
B. must betray
C. must have betrayed
D. should betray
答案：C