快考了，谢谢帮助．．天山补充

adu

18. Learning of the fall of Constantinople to the Turks in 1453, the failure of the crusading movement became apparent to Christian Europe which had ignored earlier major defeats.

(A) the failure of the crusading movement became apparent to Christian Europe which had ignored earlier major defeats

(B) Christian Europe realized that the crusading movement had failed, which had ignored earlier major defeats

(C) Christian Europe, which had ignored earlier major defeats, realized that the crusading movement had failed

(D) Christian Europe, ignoring earlier major defeats, realized that the crusading movement had failed                         C

(E) Christian Europe ignored earlier major defeats and realized that the crusading movement had failed   

答案Ｃ，Ｄ不是更好吗？
不懂啊．．．．．．．

wei_wangyan

Learning of the fall of Constantinople to the Turks in 1453, Christian Europe, ignoring earlier major defeats, realized that the crusading movement had failed.

有并列的歧义。 用定语从句作插入语更清楚。