求助： 大全44 it的指代

1.         According to Henry David Thoreau, the reason a majority is allowed to rule is not that it is more likely to be right, but because it is stronger. A B

(A) the reason a majority is allowed to rule is not that
            it
                is more likely to be right, but because it is stronger

(B) a majority is allowed to rule not because
            it is more likely to be right, but because it is stronger

(C) the reason for majority rule is not because they are more likely to be right, they are stronger

(D) the majority is allowed to rule because of its strength, not because it is more likely to be right（B）

(E) the reason why the majority rules is that it is strong, not because it is likely to be right

A) but the reason is because错，
            只能是the reason is that…

B) best. not…but…; more对应stronger.

C) E )reason because错

D)because of和because不相称。

当初排除B的时候是因为找不出it的指代，有哪位大侠愿意和我讲讲B 中it的出处吗?