(2013·皖南八校第一次聯(lián)考)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．a(chǎn)re decreasing
C
選C　考查時態(tài)和主謂一致。the number of后接名詞作主語時，謂語動詞用單數(shù)；由后一分句中的“are shopping online”可知，前一分句也用現(xiàn)在進(jìn)行時。
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