Members debated the（ ）of decentralization.

Members debated the（ ）of decentralization.
A、pro and con
B、pro and cons
C、pros and cons
D、pros and con
【正确答案】：C
【题目解析】：名词的特殊用法-数字、符号、单个字母的复数形。pros and cons， 优缺点。