The ability ( )an idea is as impotant as the idea itself.

问题描述:

The ability ( )an idea is as impotant as the idea itself.
A.expressing
B.expressed
C.to express
D.to be expressed
单选题,回答者请陈述理由,

ability :表示有能力做某事或具有做某事的能力等,其后通常要接不定式.但在现代英语中,也可后接 of doing sth.例如:He has the ability to speak English fluently.I admire his ability of doing the work quickly....