[求助]大全587

1.                             Proponents of artificial intelligence say they will be able to make computers that can understand English and other human languages, recognize objects, and reason as an expert does—computers that will be used to diagnose equipment breakdowns, deciding whether to authorize a loan, or other purposes such as these.

(A) as an expert does—computers that will be used to diagnose equipment breakdowns, deciding whether to authorize a loan, or other purposes such as these

(B) as an expert does, which may be used for purposes such as diagnosing equipment breakdowns or deciding whether to authorize a loan

(C) like an expert—computers that will be used for such purposes as diagnosing equipment breakdowns or deciding whether to authorize a loan

(D) like an expert, the use of which would be for purposes like the diagnosis of equipment breakdowns or the decision whether or not a loan should be authorized（C）

(E) like an expert, to be used to diagnose equipment breakdowns, deciding whether to authorize a loan or not, or the like

B和C的比较，这里为什么用like，不用As，谢谢！

本题就是一个用like比as 号的事例, 假如用as 的话, 那么是: as an expert does好,还是as an expert did 或者as an expert will 好呢? 实际上,这三个都不好, 都不能表达计算机模拟人类的一种能力.