问题
选择题
____ can be seen in the chart right here, the air pollution level in the city has been increasing over the last months.
A.What
B.It
C.that
D.As
答案
答案:D
题目分析: 考查as引导非限制性定语从句。题意 正如我们所看到的,空气污染水平在上月一直在增长。As代指 the air pollution level in the city has been increasing over the last months,故选 D项。
考点 非限制性定语从句。