The problem of the widening gap between the rich and the poor, if not properly , can result in many serious social tensions.
A. being handled
B. to handle
C. handled
D. handling
网友回答
A. being handled
B. to handle
(答案→)C. handled
D. handling
解析：考查非谓语动词。句意：不断扩大的贫富差距问题，如果不妥善处理，会导致许多严重的社会紧张。过去分词可与if连用，主句的主语为动作的承受者，故C正确。