She is---,but she looks young.A.in her fifty B.at her fifty C.in her fifties D.at her fifties

问题描述:

She is---,but she looks young.A.in her fifty B.at her fifty C.in her fifties D.at her fifties
in和at怎样选择

C in one's +数词的复数,固定搭配,表示某人.多岁时.
本句意思是她虽然五十多岁了,但看起来还很年轻.