请教GWD19一道语法，谢谢啦啦~~~

MaryDoIt

Section 301 of the 1988 Omnibus Trade and CompetitivenessAct enables the United States Trade Representative to single out a country as an unfair trader, begin trade negotiations with that country, and, ifthe negotiations do not conclude by the United Statesgovernment’s being satisfied, to impose sanctions.（制裁）

A.   bythe United Statesgovernment’s being satisfied, to impose

B.   bythe United Statesgovernment’s satisfaction, impose

C.   withthe United Statesgovernment’s being satisfied, imposing

D.   ！to the United Statesgovernment’s satisfaction, impose

E.    tothe United Statesgovernment’s satisfaction, imposing

当时错选了B，谁能帮我解释下B和D 的区别啊，不懂啊
O(∩_∩)O谢谢~\(≧▽≦)/~啦啦啦