Most of the people in Guangdong are getting .A. more and more richB. more rich and more ri

问题补充：

Most of the people in Guangdong are getting .

A. more and more rich

B. more rich and more rich

C. richer and richer

D. richer and richest

答案：

A. more and more rich

B. more rich and more rich

(答案→)C. richer and richer

D. richer and richest

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