问题补充：
He neverto help others in trouble because he is a kind-hearted man.
A. handled
B. hurried
C. hesitated
D. happened
答案：
A. handled
B. hurried
(答案→)C. hesitated
D. happened
解析：考查动词辨析。句意：他从未犹豫帮助处于困境中的人，因为他是一个热心肠。A处理；B匆忙；C由于；D发生。hesitate to do sth犹豫做某事；happen to do sth碰巧做某事，故选C。
