大全885 Sec A 请教NN们

13.   In
spite of continuing national trends toward increased consumption of specialty foods,
agronomists in the Midwest foresee a
gradual reversion to the raising of agricultural staples: feed corn and
hard red wheat.

(A) a gradual reversion to the raising of
agricultural staples

(B) that a gradual reversion back will feature
the raising of agricultural staples

(C) a gradual reversion back to the raising of
agricultural staples again

(D) a gradual reversion to raise agricultural
staples（A）

(E) a gradual reversion into the raising of
agricultural staples

答案：A

问题：我选的是D

1、白勇上说一个动词如果有自己的名词形式就不用the+动名词+of来代替了。而此题raise本身就可以作名词，为什么还要用the raising of来代替呢？

2、丽丽老师说过在其它均没有错误的情况下倾向于使用动词优于形容词优于抽象名词优于动名词

3、怎么看起来D都是既简洁有又无误的一个选项，问什么就不选呢？！愁啊我。。。

16.   Adult
survivors of child abuse traditionally have had little or no chance that
they could get their symptoms recognized and treated.

(A) that they could get their symptoms recognized
and treated

(B) to recognize and treat their symptoms

(C) of getting their symptoms recognized and
treated

(D) of recognizing and treating symptoms（C）

(E) of getting his or her symptoms recognized
and treated

答案：C

就想知道下跟chance搭配的词组到底是have (no)
chance to do呢，还是have (no)
chance of doing呢，还是两个都有呢？我笔记、白勇都没有讲。。。