Q14. 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.
A. tend not to bother to recover a perishable treat if 1.tend应该用单数!2.if多余,从局无主语!!
B. they tend not to bother recovering a perishable treat 1. they直待researchers 逻辑意思错!
C. tending not to bother to recover a perishable treat it 1.tending和前面无并列 2.it 多余!
D. tends not to bother recovering a perishable treat best!
E. tends not bothering to recover a perishable treat it 1. tend to do (not v-ing)
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