When different cultures, we often pay attention only to the differences without noticing the many similarities.
A. pared
B. being pared
C. paring
D. having pared
网友回答
A. pared
B. being pared
(答案→)C. paring
D. having pared
解析：考查分词做状语。动词pare与句子we构成主动关系，就使用动词的现在分词。句意：当比较不同的文化的时候，我们通常总注意到它们之间的区别而没有注意到它们之间的相似之处。故C正确。