求教OG12 SC 39题一个问题，关于so as to

santye

In1527 King Henry VIII sought to have his marriage to Queen Catherine annuled so as to marry Anne Boleyn.

(A)   so as to marry
(B)   and so could he marry
(C)   to be married to
(D)   so that he could marry
(E)   in order that he would marry

请问这里 so as to marry为何不能使用？ OG解释说It's not idiomatically correct. 请大家帮忙解释下，多谢啦～

santye

自己顶一下

amiroven

http://forum.chasedream.com/GMAT_SC/thread-683759-2-1.html

供参考。