请教 885-SECTION 1-11

wildwind

11. Although the lesser cornstalk borer is widely distributed, control of them is necessary only in the South.

(A) the lesser cornstalk borer is widely distributed, control of them is

(B) widely distributed, measures to control the lesser cornstalk borer are

(C) widely distributed, lesser cornstalk borer control is

(D) the lesser cornstalk borer is widely distributed, measures to control it are（D）

(E) it is widely distributed, control of the lesser cornstalk borer is

请问E 错在哪? 是因为 IT 的指代错误吗?

hsWang

sure, E中的it变成了指代“control of the lesser cornstalk borer ",

wildwind

以下是引用hsWang在2004-6-7 16:28:00的发言：
sure, E中的it变成了指代“control of the lesser cornstalk borer ",

Thanks, HsWang 请看下例, 关于 its 的指代:

24. Even though its per capita food supply hardly increased during two decades, stringent rationing and planned distribution have allowed the People’s Republic of China to ensure nutritional levels of 2,000 calories per person per day for its population.

(A) Even though its per capita food supply hardly increased during

(B) Even though its per capita food supply has hardly increased in

(C) Despite its per capita food supply hardly increasing over

(D) Despite there being hardly any increase in its per capita food supply during（B）

(E) Although there is hardly any increase in per capita food supply for 答案是 B, 这里的 its 并没有指代主句的主语:stringent rationing and planned distribution 而是 the People’s Republic of China 我的问题是: 如果条件从句里的 it 做主语, 那么是否它就必然指代主句的主语?

hsWang

我想，主要的区别在于，it 和its


一般情况下，条件从句中的it 做主语，应该指代主句的主语。但在具体的一篇文章里或语境下，就不一定了

wildwind

Many thanks.

hsWang

you are welcomed