He always dreams of a chance for him to bring into full play his potential.A. there being

问题补充：

He always dreams of a chance for him to bring into full play his potential.

A. there being

B. there to be

C. there is

D. being

答案：

(答案→)A. there being

B. there to be

C. there is

D. being

解析：dream of “梦到，梦想”，后面接名词或动名词；选项A.there being是“there be”的动名词形式，因而A正确。句意：他总是梦想着会有机会让他充分发挥他的潜力。