Question

【题目】Yang Tao is not only child in his family with two-child policy（政策）.

A. a B. an C. the D. /

Answer 1

【答案】C

【解析】

句意：随着二胎政策，杨涛不是他家里唯一的一个孩子。a一个，an一个，the那个。the only唯一的，故选C。