OG189， 从来没问过的问题，从开帖子，给版主添麻烦了

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189. 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 whetherto 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

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

与划线部分无关的问题，记得GMAT语法中宾语从句的that不能省略，在这里say后面的that怎么省略了呢？谁能解答一下，多谢。

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177. So poorly educated and trained are many young recruits to the United States work force that many business executives fear this country will lose its economic preeminence.

(A) So poorly educated and trained are many young recruits to the United States work force that

(B) As poorly educated and trained as many young recruits to the United States work force are,

(C) Because of many young recruits to the United States work force who are so poorly educated and trained,

(D) That many young recruits to the United States work force are so poorly educated and trained is why

(E) Many young recruits to the United States work force who are so poorly educated and trained explains why

177题也出现这种情况，不过多亏不是出现在划线部分。