求问一道题，各位大牛请帮忙~~

aredsail

57. The Environmental Protection Agency’s proposal to place restrictions on both diesel fuel and diesel engines has sparked a counterattack by the oil industry, saying that the move will exacerbate the nation’s fuel supply problems.
A. on both diesel fuel and diesel engines has sparked a counterattack by the oil industry, saying
B. on both diesel fuel and engines have sparked the oil industry to counterattack, and they say
C. on both diesel fuel and diesel engines has sparked a counterattack by the oil industry, which says
D. both on diesel fuel and engines has sparked the oil industry to a counterattack, saying   
E. both on diesel fuel and diesel engines have sparked the oil industry to counterattack, and it says

The answer is C,but how about A?

what is the difference between saying and which says?

yexiang2007

我也不能够完全解答你的问题，但是我觉得这道题的思路应该是搞清楚后面的say这个动作的发出者到底是谁，如果用saying，那么它的的逻辑主语是谁呢？我想题目是想指 proposal，用which is,which应该是指oil industry。那么是proposal说这个举措会让全国的石油供应问题恶化呢，还是石油行业表示这个举措会让供应问题恶化呢，我想应该是oil industry,否则的话proposal不是自己打自己嘴巴吗？而且也不会引起oil industry的反击了，我也是瞎说，仅供参考。大家也可以讨论一下。