In contrast to environmentalists proposals to limit emissions of certain pollutants, the administration proposed calling for mandatory restriction of only three such pollutants from power plants----mercury, sulfur dioxide, and nitrogen oxides----and the plan would delay such cuts until 2010 or later.
A. the administration proposed calling for mandatory restriction of
B. the administration proposed a call for mandatory restrictions, including those for
C. administration, proposing mandatory restrictions on
D. administration’s proposal was a call for mandatory restrictions, which include
E. administration’s proposal would call for mandatory restrictions on
正确答案是D，可是D中的名词call好像不如E中的动词call好，而且D中的which include好像也不如E中on更简洁？可是为什么不选E呢？请指教！
administration calls. proposals cannot.
the occassion calls for a cool head.
这是字典上的例子,说明非生命物质也可call for 呀!
请讨论.
In contrast to environmentalists proposals to limit emissions of certain pollutants, the administration proposed calling for mandatory restriction of only three such pollutants from power plants----mercury, sulfur dioxide, and nitrogen oxides----and the plan would delay such cuts until 2010 or later.
D. administration’s proposal was a call for mandatory restrictions, which include
E. administration’s proposal would call for mandatory restrictions on
E中最大问题是 would用得不明不白，句中没有提示，至于后面的the plan would delay such cuts until 2010 or later中用would显然是until 2010的功劳
所以最好用一般过去时
但D中restrictions include only three such pollutants ，我有点晕，“限制包括污染物”？
楼上所说的was 我没说得更明白，它其实是从后面分句中的would来推导出来的！
最关键是include的用法，我记得OG补充题出现过的，我没找了，
意思是“使--成为其中一部分”，即“使那仅有的三种污染物成为被限制物的一部分”
呵呵，我还真没注意include的时态
也许该用included ？
我又想起来，include可能不一定非要用过去时，因为是restrictions include, 是否可以认为有关法律法规之类的统统用一般现在时呢？
觉得本题的答案应该是E,不该是D
在E有许多地方符合ets的偏好，关于大家争论的时态问题，其实，此处用would较好，因为，这与and后的用法刚好平行。
administration’s proposal would call for mandatory restrictions on only three such pollutants from power plants----mercury, sulfur dioxide, and nitrogen oxides----and the plan would delay such cuts until 2010 or later.
所以，我觉得答案必然是E.不该有多少争议。
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