prep08语法题174下面的补充参考例题1求教

Elaine880207

参考例题1：
OG10-171. In 1527 King Henry VIII sought to have his marriage to Queen Catherine annulled so as to marry Anne Boleyn.
(A)    so as to marry
(B)    and so could be married to
(C)    to be married to
(D)    so that he could marry
(E)    in order that he would marry
Key: D

请问A为什么不对？

jiaoguitar

A的话，不清楚是谁要娶Anne boleyn