标题: 求分享 prep 200 ?? [打印本页] 作者: ssmybaby 时间: 2011-5-6 10:51 标题: 求分享 prep 200 ?? 200. (T-3-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 B. they tend not to bother recovering a perishable treat C. tending not to bother to recover a perishable treat it D. tends not to bother recovering a perishable treat E. tends not bothering to recover a perishable treat it
想请教一下大家，这里的“researchers have discovered,” 是作什么成分？这道题的句子结构没看明白
PS：答案为D作者: MarsTOF 时间: 2011-5-6 11:07
插入语吧 can remember和tends 并列 俩个分句都是researchers发现的。。个人意见。。LX指正。。
