A recent survey shows the number of people who shop in stores ， while far more are shopping online.
A. decrease
B. decreases
C. is decreasing
D. are decreasing
网友回答
A. decrease
B. decreases
(答案→)C. is decreasing
D. are decreasing
解析：C 句子主语the number后接名词作主语的时候，谓语动词使用单数形式；后句for more与前句时态形成对比，从句后半段为现在进行时，所以前班段也用现在进行时。