问题
选择题
While income worry is _______ rather common problem of the aged, loneliness is another problem that ________ aged parents may face.
A．a; 不填
B．the; 不填
C．a; the
D．the; the
答案
答案：A
考察冠词的用法。不定冠词和another才能对应，表示泛指，所以第一空不用冠词；parents复数表泛指，所以其前不用冠词。
