国际顶尖MBA申请交流平台--TOPWAY MBA

标题: Gmatprep上一道，怎么看正确答案就象错的 [打印本页]

作者: greattaste 时间: 2006-8-19 08:11 标题: Gmatprep上一道，怎么看正确答案就象错的

Some patients who do not respond to therapies for depression may simply have received inadequacy treatment, having, for example, been prescribed a drug at dosage too low to be effective or having been taken off a drug too soon.

正确答案是这样的，能否解释以下为什么对呢？

作者: Jarod 时间: 2006-8-19 11:36

分词在与句子主语一致的情况下作伴随状语很常见。

作者: haitai 时间: 2006-8-23 01:34

Nod

作者: you5460 时间: 2006-8-26 07:28

没错 having been 和 having been 通过or 平行

时态和前面分句一样

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