11. Coffee prices rose sharply Monday, posting their biggest one-day gain in almost three years, after a weekend cold snap in Brazil raised concern that there could bedamage to the world’s largest crop when at a time with supplies already tight. (A) that there could be damage to the world’s largest crop when at a time with supplies (B) that the world’s largest crop could be damaged at a time such as when supplies are (C) that the world’s largest crop could be damaged at a time when supplies are (D) of the world’s largest crop possibly being damaged at a time with supplies (E) of possibly damaging the world’s largest crop at a time that supplies were 正确答案是C。首先concern只能用that不能of排除D/E其次OG说选项A中的“伪主语”there是wordiness,应该用C选项的被动语态更好,而且被动语态能够强调the speculative nature of damage。 这是我的问题:1.这里的被动比there be更好,那there be什么时候用呢?2.OG说at a time when是个idiom要记住,那这个和when有什么区别?3.这个题的句意不太理解..求翻译一下!最好说一下整个sentence的结构!4.OG16分册SC和黑皮书里SC几乎不一样啊!这怎么回事?有哪个比较好吗?谢谢呀!!!
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