这题的A怎么个错法，求详解！ 以及这个句子到底怎么翻译，看懵了！

frankzhiwei

17.(25335-!-item-!-188;#058&002335)

The success of the program to eradicate smallpox has stimulated experts to pursue what they had not previously considered possible--better control, if not eradication, of the other infections such as measles and yaws.

(A) what they had not previously considered possible--better control, if not eradication, of the other infections such as

(B) what they had not previously considered a possibility--better control, if not eradication, of such infections like

(C) something they had not previously considered possible-better control, if not eradication, of such infections as

(D) something not considered a previous possibility--better control and perhaps eradication, of other infections such as

(E) the possibility of what they had not previously considered--better control and possibly eradication of infections like

答案C,可是A错了哪些地方以及怎么个错法呢？各位能用自己的语言，解释详尽一点吗？

还有这该死的翻译是什么呀，看懵了我都~感激不尽！

newalan

这道题确实选C。最大的干扰来自A。A的前半句没有问题，一个What引导的宾语从句，关键是后面，这个要理解整句的意思：根治天花的成功激励专家们追求之前他们想都不敢想的：有效的控制（如果不能根除）诸如麻疹和雅司病这样的感染。A的意思是：有效的控制（如果不能根除）诸如麻疹和雅司病这样的其他感染。显然意思很别扭，所以这里的other是多余的。