While income worry is _______ rather common problem of the aged, loneliness is another problem that _______ aged parents may face.
A.a; the
B.the; /
C.a; /
D.the; the
答案:C
题目分析:句意:对于收入的担心是老年人的一个相当普遍的问题,孤独是老年父母可能面对的另一个问题。第一个空,是泛指“一个相当普遍的问题”,故用不定冠词a
;第二个空,表示一类人的可数名词复数形式前,不用冠词
,选C。