Questions 10-11 are based on the following

As one who has always believed that truth is our nation’s surest weapon in the propaganda war against our foes, I am distressed by reports of “disinformation” campaigns by American intelligence agents in LACE w:st="on">Western EuropeLACE>. In a disinformation campaign, untruths are disseminated through gullible local journalists in order to damage the interests of our enemies and protect our own. Those who defend this practice say that lying is necessary to counter Soviet disinformation campaigns aimed at damaging LACE w:st="on">AmericaLACE>’s political interests. These apologists contend that one must fight fire with fire. I would point out to the apologists that the fire department finds water more effective.

11. The author’s main point is that

(A) although disinformation campaigns may be effective, they are unacceptable on ethical grounds B

(B) LACE w:st="on">AmericaLACE>’s moral standing in the world depends on its adherence to the truth

(C) the temporary political gains produced by disinformation campaigns generally give way to long-term losses

(D) Soviet disinformation campaigns have done little to damage America’s standing in LACE w:st="on">EuropeLACE>（E）

(E) disinformation campaigns do not effectively serve the political interests of the LACE w:st="on">United StatesLACE>

答案 e 我选b

问：本题我没有看出哪个答案较好，e中not effectively serve the political interests ，effectively和 political interests 怎么理解？

我是这么理解的。请指教。

题目意思是美国人说谎,传播假情报目的是为了保护自己和让苏联人失去打听美国的兴趣，这是用火对火的方法，就是大家假情报传来传去，作者说，用水来对付火是更有效的，也就是说，现在用的火的方法效果不怎么好。因此E就对了,假情报策略并不是很有效地(作者看来).

请问谁帮我看看A为什么不对？最后一句不是说 water more effective吗

？是否说disinformation campaigns 有效，只是还有比这个更有效的方法。

所以我觉得E不对，请指教，谢谢！！！

用fire -- water .类比disinformation campaigns-- truth "是否说disinformation campaigns 有效，只是还有比这个更有效的方法?"

fire 不如 water .故disinformation campaigns不如truth