He wondered if he could slip out of the lecture hall without anyone______.
A.noticing
B.noticed
C.to notice
D.being noticed
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A解析:做对本题的关键在于学生是否能排除思维定势的干扰,如题干中去掉anyone变成He wondered if he could slip out of the lecture hall without _________.则应选D项,表示没有被注意到。本题因有anyone,应选A表示没有人去注意他。anyone 和noticing为逻辑上的主动关系。【标签】独立主格结构