OG153新问题

153A recording system was so secretly installed and operated in the Kennedy Oval Office that even Theodore C. Sorensen, the White House counsel, did not know it existed.

(A)  A recording system was so secretly installed and operated in the Kennedy Oval Office that

(B)  So secret was a recording system installation and operation in the Kennedy Oval Office

(C)  It was so secret that a recording system was installed and operated in the Kennedy Oval Office

(D) A recording system that was so secretly installed and operated in the Kennedy Oval Office

(E)   Installed and operated so secretly in the Kennedy Oval Office was a recording system that

A, the best choice, correctly focuses upon the recording system by making it the straightforward subject of the sentence and the logical referent of the pronoun it in the last line. B makes installation and operation the subject, distorting the focus and leaving it without a clear referent. C distorts the focus with an awkward and confusing delayed subject construction. C also omits the conjunction that necessary to introduce the clause stating the result (even Sorenson did not know . . .). D, a long noun phrase with no finite verb, produces a fragment rather than a complete sentence. E awkwardly inverts the order of the subject and predicate in the main clause and thus cannot be logically connected to the remainder of the sentence.

E选项对于本题来讲没有必要倒装,因此AWKWARD,可以理解.可是不太理解thus cannot be logically connected to the remainder of the sentence..我觉得并没有改变原句的意思啊,表达的还是很充分的,还请大虾们指点一下,

首先要明白倒装后，that应该是引入的同位语从句，不在是原先的 so.... that... 从句，这样that就应该是对system是个什么东西的解释了，当然与逻辑上不符合。

非常感谢,以前都不曾注意到这个问题