Treatment of prisoners in that jail was considered （）.

Treatment of prisoners in that jail was considered （）.
A、indifferent
B、impolite
C、inhuman
D、insane
【正确答案】：C
【题目解析】：indifferent漠不关心的，无关紧要的；impolite无礼貌的；inhuman不人道的；insane愚蠢的，疯狂的。句意为：人们认为那个监狱对待犯人不人道。因此应选C。