It is the customers' needs that has made chain stores so popular in big cities in China.A

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(答案→)A. meeting
B. met
C. to have met
D. being met
解析：考查强调句和动名词做主语。本句是一个强调句，去掉it was 和that，     the customers’ needs has made chain stores so popular in big cities in China. 不难发现，本句是动名词短语作主语。而D项是被动结构，本句meet后，有自己的宾语，故应为主动。句意：是满足顾客的需求使连锁店在中国的大城市如此受欢迎。选A。