While income worry is a rather commen problem of the aged,loneliness is another problem that _____

题目

While income worry is a rather commen problem of the aged,loneliness is another problem that _____
aged parents my face.
1 / 2 the
翻译

答案

嗯嗯,同意一楼的,在形容词前加the,意指一个人群,像：
the poor 穷人
the rich 富人
还有你说的 the old/ aged 老人