He was only in ____ at the time.

He was only in ____ at the time.
A、his 20's
B、the 20's
C、his twenties
D、the twenties
【正确答案】：C
【题目解析】：【考点点击】本题考查在某人多少岁时的表达法。【要点透析】 in one's' thirties, forties, fifties..表示三十几岁、四十几岁、五十几岁…,用来表示人的年龄,这里表示“二十多岁”。