Recently a survey prices of the same goods in two different supermarkets has caused a heated discussion among citizens.
A. paring
B. pared
C. pares
D. being pared
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(答案→)A. paring
B. pared
C. pares
D. being pared
解析：考查分词做定语。本题中的动词pare与名词survey构成主语关系，故使用现在分词短语做定语来修饰前面的名词。句意：最近一个比较两个不同的超市同样货物价格的调查已经导致了居民们之间的热烈的讨论。故A正确。