The problem of the widening gap between the rich and the poor if not properly can resul

问题补充：

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

答案：

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。