Salt deposits and moisture threaten to destroy the Mohenjo-Daro excavation in Pakistan, the site of an ancient civilization that flourished at the same time as the civilizations in the Nile Delta and the river valleys of the Tigris and Euphrates.
80.Salt deposits and moisture threaten to destroy the Mohenjo-Daro excavation in Pakistan, the site of an ancient civilization that flourished at the same time as the civilizations in the Nile delta and the river valleys of the Tigris and Euphrates.
(A) that flourished at the same time as the civilizations (B) that had flourished at the same time as had the civilizations (C) that flourished at the same time those had (D) flourishing at the same time as those did (E) flourishing at the same time as those were
key is A. 正确答案是不是 that flourished at the same time as did the civilizations更好一点 . 动词省掉了, 不是犯了比较对象不是同一类事物的GMAT改错大忌吗? 在什么情况下可以在比较结构中省略动词, 介词呢? (我自己觉的不可以省略).