GWD30-17

ymy19890524

Q17:
By the same techniques used for genetically enhancing plants, making them disease- or
pest-resistant, researchers have been able to increase the amount of protein in potatoes,
sweet potatoes, and tobacco.

A.  By the same techniques used for genetically enhancing plants, making them
B.  With the same techniques to genetically enhance plants, so that they are
C.  Employing the same techniques used to genetically enhance plants so that they are
D.  Employing the same techniques to genetically enhance plants, which makes them
E.  Employing the same techniques for genetically enhancing plants that make them




答案选A，我看了半天，觉得都不太对，随手选了C。可是C中employ和use重复了，应该是不对的。
但是，同样理解不了A。 by...短语是方式状语吧？making...紧跟在他后面算什么啊？结果状语？可是，这些都在主句前的啊，不会很混乱吗？


哪位高人指点一下吧~这样的用法常见吗？

merrlinlynch

你确定答案是A 吗

ymy19890524

我从CD上下载的资料啊，原文附的答案是选A没错......

merrlinlynch

http://www.manhattangmat.com/forums/sc-gmat-test-paper-30-t668.html
你看下这个。答案是C 不是A 。很多网站的答案都是C 不是A.