问题补充:
When it advertising, consumers need to be educated about techniques used by advertisers.
A. comes up
B. comes about
C. comes out
D. comes to
答案:
A. comes up
B. comes about
C. comes out
(答案→)D. comes to
解析:短语辨析。 A.发生;开始 B. 发生;产生 C.出现;结果是 D. 想起;共计。句意:当它发布广告时,……可知选C,出版。