GWD TN10 的第41題 求解惑 感謝！

tennisgold

GWD-24-41.
InCalifornia, a lack of genetic variation in the Argentine ant has allowed thespecies to spread widely; due to their being so genetically similar to oneanother, the ants consider all their fellows to be a close relative and thus donot engage in the kind of fierce intercolony struggles that limits thespread of this species in its native Argentina.
A.   due to their being so genetically similar to oneanother, the ants consider all their fellows to be a close relative and thus donot engage in the kind of fierce intercolony struggles that limits.
B.    due to its being so genetically similar the antconsiders all its fellows to be a close relative and thus does not engage inthe kind of fierce intercolony struggles that limit.
C.   because it is so genetically similar, the antconsiders all its fellows to be close relatives and thus does not engage in thekind of fierce intercolony struggles that limits
D.   because they are so genetically similar to oneanother, the ants consider all their fellows to be close relatives and thus donot engage in the kind of fierce intercolony struggles that limit
E.    because of being so genetically similar to oneanother, the ants consider all their fellows to be a close relative and thus donot engage in the kind of fierce intercolony struggles that limits.




答案上面寫C是正確答案
可是分析上面寫D是正確答案。本人做的時候選擇D。
分析上面反駁C的論據是：Limits跟that代替的主詞struggles不一致.


求解惑！
感謝

sisichen666

D选项，they与后面未划线的its不一致，一定不可选