225. LACE w:st="on">MinnesotaLACE> is the only one of the contiguous forty-eight states that still has a sizable wolf population. and where this predator remains the archenemy of cattle and sheep.

(A) that still has a sizable wolf population, and where

(B) that still has a sizable wolf population, where

(C) that still has a sizable population of wolves, and where

(D) where the population of wolves is still sizable;

(E) where there is still a sizable population of wolves and where

上题中的that修饰的是Minnesota ， 为什么不是就近修饰forty-eight states 哪? 这直接影响到that后单复数的选择。那位NN请说明一下什么时候that就近修饰，什么时候不就近修饰。是应为那个only和the only的缘故吗？这个语法点不清楚。

1. Biologists believe that they have found one of the substances that tell individual genes both when to become active and when to remain quiescent in the earliest phases of an embryo’s development.

(A) tell individual genes both when to become active and when to remain

(B) tell individual genes both at which time they should become active or should remain

(C) tells individual genes both when to become active or remain

(D) tells individual genes both when to become active or when to remain（A）

(E) will tell an individual gene both about when it should become active and remain

可是在这道题目中that修饰的是substances .

这题的正确答案应该是（E）吧！