T-3-Q14. A scrub jay can remember when it cached a particularpiece of food in a particular place, researchers have discovered (that), and tendnot to bother to recover a perishable treat if stored long enough to haverotted.
A. tend not to bother to recover a perishabletreat if
B. they tend not to bother recovering aperishable treat
C. tending not to bother recovering aperishable treat if
D. tends not to bother recovering aperishable treat
E. tends not bothering to recover aperishable treat if
答案D 没问题 只是这个宾语从句的that 可以省略吗? 非常感谢!
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