请教大全987题

汪王颖 · 发表于 2009-11-9 16:24:09

987。 With cloning technology, scientists are approaching what has long been the ultimate goal of modern husbandry: achieving a consistency of quality and production in farm animals as once thought to be limited to manufactured goods.

(A) achieving a consistency of quality and production in farm animals as once thought to be

(B) achieving farm animals with a consistency of quality and production as were once thought of as

(C) achieving in farm animals a consistency of quality and production that was once thought to be

(D) achievement of farm animals whose consistency of quality and production are the same as what were once thought to he

(E) achievement of farm animals at a consistency of quality and production once thought of as

正确答案选C，为什么A不对？，C 中that 的修饰我觉得有歧义，有可能修饰consistency，也有可能修饰production

aeoluseros · 发表于 2009-11-9 16:58:34

that指代consistency没有问题.
A里面的as指代了achieving a consistency of quality and production in farm animals...而逻辑上，once thought to be的是consistency，而不是achieving。

请教大全987题

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