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I know it's not important, but can't help ____ .about it.
A、to think
B、and think
C、thinking
D、being thought
【正确答案】：C
【题目解析】：【考点点击】本题考查can 't' help doing sth.的用法。【要点透析】can'tuldn'《canrVcoudHthelpdoingsth《.意为“忍不住,禁不住做某事”。本句意为:我知道这并不重要,但我忍不住总去想它。