【指代】PREP2-10，前后矛盾？

terry9115

10.(25013-!-item-!-188;#058&001959)

The rise of the Incan empire rested not only on the Incas' military might and the ability of their rulers but also they imposed a highly organized economic and political system on many different ethnic groups and permitting them to retain many of their customs and often their own leaders.

(A) they imposed a highly organized economic and political system on many different ethnic groups and permitting them

(B) on their imposition of a highly organized economic and political system on many different ethnic groups, who were permitted

(C) because of their imposition of a highly organized economic and political system on many different ethnic groups, who they permitted

(D) on their imposing of a highly organized economic and political system on many different ethnic groups and they permitted them

(E) imposing a highly organized economic and political system on many different ethnic groups, permitting them

答案是B，看到选项直接排除剩BD，看名词平行所以imposition>imposing，D选项and they permitted them无平行对应，这些都没什么问题。
我的疑问在于，B选项后面who指代ethnic groups，后面的their也是指代groups，那和前面明显指代Incas'的their不是冲突了吗？

terry9115

我知道是直接锁定BD，这点没有疑问，我的问题在指代上，这里的指代怎么理解？“同一代词只能指代同一东西”为什么无效了？

塔罗牌

10.(25013-!-item-!-188;#058&001959)

The rise of the Incan empire rested not only on the Incas' military might and the ability of their rulers but also they imposed a highly organized economic and political system on many different ethnic groups and permitting them to retain many of their customs and often their own leaders.

(A) they imposed a highly organized economic and political system on many different ethnic groups and permitting them

(B) on their imposition of a highly organized economic and political system on many different ethnic groups, who were permitted

(C) because of their imposition of a highly organized economic and political system on many different ethnic groups, who they permitted

(D) on their imposing of a highly organized economic and political system on many different ethnic groups and they permitted them

(E) imposing a highly organized economic and political system on many different ethnic groups, permitting them

答案是B，看到选项直接排除剩BD，看名词平行所以imposition>imposing，D选项and they permitted them无平行对应，这些都没什么问题。
我的疑问在于，B选项后面who指代ethnic groups，后面的their也是指代groups，那和前面明显指代Incas'的their不是冲突了吗？

-- by 会员 terry9115 (2011/8/2 0:36:00)

未划线部分NOT ONLY后面直接跟的是ON, 那么BUT ALSO后面就该直接跟ON，直接锁定BD

terry9115

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terry9115

回复你了，我的一点理解，希望有高手指错。

dzxu

非常好的问题。LZ看得仔细，学习了。

不知道LZ问的这题是否属于“一个句子内同一代词指代相同的对象”这个规则。

我这也有个困惑，LZ和高手们帮着看一下：
http://forum.chasedream.com/GMAT_SC/thread-577765-1-1.html