天山新题。。不会做。。希望大侠们相助

1.Lincoln，discovering in young manhood the secret that the Yankee peddler has learned before him，knew how to use a good story to generate good will.

B.Discovering in young manhood the secret that the Yankee peddler has learned before him，Lincoln knew.

C.Lincoln，discovering the secret that the Yankee peddler had learned in young manhood before him，knew.

E.Lincoln，discovered in young manhood the secret that the Yankee peddler had learned before him，knew.

答案选B。。。。可是为甚么呢~~~~~~~  因为顺序不一样吗？C和E呢？

2.A discussion of  our nation's foreign policy must begin with the fact of there being an independent Western Europe which now thinks of itself in trans-nationalist terms.

C.Any disscussion of our nation's foreign policy must begin with the fact that there is.

D.Any disscussion of our nation's foreign policy must begin by acknowledging the existence of.

答案选D。。我想问C呢。。而且怎么多出acknowledging了呢。。

3.Puritan fanatics brought to civil and military affairs a coolness of judgment and mutability of purpose that some writers have though inconsistent with their religious zeal，but which was in fact a natural outgrowth of it.

C.but which were in fact natural outgrowths of it.

D.but it was in fact a natural outgrowth of them.

答案选C。。这道题偶就笨的看不懂。。麻烦各位大牛帮忙解释一下。。。

哦。。懂了。。谢谢大牛。。。第2题和第3题呢？  谢谢~~~

2楼解释的有问题，By是引导方式状语，这里是伴随状语完全可以的

http://forum.chasedream.com/dispbbs.asp?BoardID=23&ID=42636   天山题的讨论连接，楼主自己查找吧

(⊙o⊙)哦。。。。善良的人~~谢谢