求助！逻辑大全Test A 14

The earth’s resources are being depleted much toofast. To correct this, the United  States must keep its resource consumption atpresent levels for many years to come.

114.    Which of the following, if true, would moststrengthen the argument above?

(A) Newresource deposits are constantly being discovered.

(B) The United Statesconsumes one-third of all resources used in the world.

(C) Othercountries need economic development more than the United States does.

(D) Othercountries have agreed to hold their resource consumption at present levels.（B）

(E) The United Stateshas been conserving resources for several years.

正确答案选B

为什么D不对？我的想法是其他国家同意将能源消耗控制在现在的水平上了，所以只要美国也控制了就行了。为什么不对？求指正> < 感谢