17 By the same techniques used for genetically enhancing plants, making them disease-or-pest resistant, researcher 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
A选择是错在making them 的修饰歧义吗？By 与分词的区别在哪里？
With 的用法有什么特殊的说法？B错在哪里？
C选择中So that 中的they 是否有指代歧义？会不会从逻辑上指代后面的researcher?
Which and that 的指代问题有哪位高手可以指点一下？that 可以不就近指代吗？如果可以选项E是否对呢？gwd30的题糟糕啊
A By 跟主语关系不明显the same techniques used for 表用途不好genetically enhancing plants, making them 指代有歧义
B With the same techniques 把原文重要动词丢失to genetically enhance plants, 衔接不紧so that they 代词指代问题are
C Employing the same techniques used to genetically enhance plants so that they are
Employing the same techniques （used to genetically enhance plants so that they are整体作定语从句，因此代词指代没有歧义）
D Employing the same techniques 同第二to genetically enhance plants, which指代错误 makes them
E Employing the same techniques for genetically enhancing plants that make them
搂主给答案或板砖
[em05]17 By the same techniques used for genetically enhancing plants, making them disease-or-pest resistant, researcher have been able to increase the amount of protein in potatoes, sweet potatoes, and tobacco.
C Employing the same techniques used to genetically enhance plants so that they are
E Employing the same techniques for genetically enhancing plants that make them
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