作者：英吉
At a recent conference on environmental threats to the North Sea, most participating countries favored uniform controls on the quality of effluents, whether or not specific environmental damage could be attributed to a particular source of effluent. What must, of course, be shown, in order to avoid excessively restrictive controls, is that __________.
(A) any uniform controls that are adopted are likely to be implemented without delay
(B) any substance to be made subject to controls can actually cause environmental damage
(C) the countries favoring uniform controls are those generating the largest quantities of effluents
(D) all of any given pollutant that is to be controlled actually reaches the North Sea at present
(E) environmental damage already inflicted on the North Sea is reversible
题目分析：A说这种control实施的时候不会拖延马上干，没说，干！B说control中的物质能导致环境破坏，原文谈的就是这个，留着。（虽然any substance原文没说过，但是这种substance是在control里面的，所以范围没有问题）C是那些主张实行control的国家会产生大量effluent，没说，杀。D说污染物会到底这个地方，没说，杀。E说环境破坏是可以逆转的，没说，杀。
