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题库 / Prep2008E1-SC-200
A scrub jay can remember when it cached a particular piece of food in a particular place, researchers have discovered, and tend not to bother to recover a perishable treat if stored long enough to have rotted.
tend not to bother to recover a perishable treat if
they tend not to bother recovering a perishable treat
tending not to bother to recover a perishable treat it
tends not to bother recovering a perishable treat
tends not bothering to recover a perishable treat it
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选项分析：
A：主谓不一致。
B：代词they指代科学家，不合逻辑。
C：伴随状语表示是同时发生，不合逻辑。
E：it 没有refer。To do和doing都强调主语direct involved，其实都可以用在这里。
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