According to one expert, the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria as that the breeds have relatively few founding members.

(A) the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria

(B) the cause of genetic irregularities in many breeds of dog is not as much their being bred for looks or meeting other narrow criteria as much

(C) it is not so much the cause of genetic irregularities in many breeds of dog that they are being bred for looks or meeting other narrow criteria as much

(D) it is not so much that the cause of genetic irregularities in many breeds of dog is their being bred for looks or meeting other narrow criteria so much

(E) it is not so much the cause of genetic irregularities in many breeds of dog to be bred for looks or to meet other narrow criteria

答案是A，完全不知道啥意思......

我是菜鸟,随便冒下皮皮,大家不要怪我哈

首先排除B,因为有NOT就只能用SO.然后排除C.D因为他们后面多了AS MUCH

.....整个句子不对称

最后剩下A.E.E排,因为逻辑主语不对....(这样C.D.E也可以通过逻辑主语

不对排掉鸟....)