单选题
The authorities denied______a plot to assassinate the president last Friday.
A、
having uncovered
B、
to have uncovered
C、
being uncovered
D、
to uncover
【正确答案】
A
【答案解析】
解析:句意:上星期五,当局否认他们已经发现了暗杀总统的阴谋。deny doing否认干某事。
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