14. A discussion of our nation’s foreign policy must begin with the fact of there being an independent Western Europe which now thinks of itself in trans-nationalist terms.

(A) A discussion of our nation’s foreign policy must begin with the fact of there being

(B) Beginning any discussion of our nation’s foreign policy must be the fact of there being

(C) Any discussion of our nation’s foreign policy must begin with the fact that there is

(D) Any discussion of our nation’s foreign policy must begin by acknowledging the existence of（D）

(E) To begin discussing our nation’s foreign policy thee must be an acknowledgment of the fact that

正确答案是D，我选了C。大全上的解释是“从语义上感觉要突出acknowledging，C似乎没有这层意思。”但从原句看甚至连 acknowledge都未出现，请指教。