．Friends are like leaves, everywhere, but true friends are like diamonds, precious and rare.
A. to find
B. finding
C. being found
D. found
网友回答
A. to find
B. finding
C. being found
(答案→)D. found
解析：考查非谓语动词。Friends与find之间是动宾关系，所以用过去分词作状语。句意：朋友就像树叶，到处可以被找到，但是，真正的朋友就像钻石，宝贵罕见。故选D。