【their指代问题】老prep-124题，求各位大神解惑

芒果脑壳

老prep-124题，求各位大神解惑！

Whereas the use of synthetic fertilizers has greatly expandedagricultural productivity in many parts

of the world, anincrease in their use can create serious environmental problems such as water

pollution, andtheir substitution for more traditional fertilizers may accelerate soilstructure

deterioration andsoil erosion.

(A) an increase in their use can createserious environmental problems such as water pollution, and

their substitution for more traditionalfertilizers

(B) an increase in their use can createserious environmental problems like water pollution, and if

substituted for more traditionalfertilizers, it

(C) if these fertilizers are usedincreasingly, they can create serious environmental problems such

as water pollution, and if used assubstitutions for more traditional fertilizers, they

(D) the increased usage of these fertilizers can create serious environmentalproblems such as

water pollution, while if substituted formore traditional fertilizers, this substitution

(E) the increased usage of thesefertilizers can create serious environmental problems like water

pollution, while their substitution formore traditional fertilizers

正确答案是A，我选了D。问题是：A、B选项中的their难道没有指代模糊的问题吗？

芒果脑壳

Bradz 发表于 2016-10-21 23:08
有指代模糊。但我的理解是，gmat从来没有说过指代模糊是错，只是不好，如果有更好的选择，则划去有指代模糊 ...

感谢！你说得没错！ 今天做题翻到一个ron大神关于代词指代问题的回答，他也说了类似的话，pron的指代在gmat中不会是prefer的考点

Bradz

有指代模糊。但我的理解是，gmat从来没有说过指代模糊是错，只是不好，如果有更好的选择，则划去有指代模糊的。

这题里，A已经是最好的选择了。D里面，while if本来就怪，再说while是想做一个什么连接/转折呢？