recent survey shows that the number of Non-English speaking families in US is on increase this year .
A. The, the
B. A, an
C. A, the
D. The, an
网友回答
A. The, the
B. A, an
(答案→)C. A, the
D. The, an
解析：考查冠词。a recent survey最近的一项调查；on the increase正在增长，根据题意选择C。