While income worry is rather common problem of the aged, loneliness is another p

While income worry is _______ rather common problem of the aged, loneliness is another problem that ________ aged parents may face.。来源:学|科|网]

A. a; 不填 B. the; 不填 C. a; the D. the; the

试题答案

A

考查冠词的用法。第一空泛指“一个普遍的问题”；第二空泛指老年父母，其前不用冠词。