单选题 The Eskimo is perhaps one of the most trusting and considerate of all Indians but seems to be {{U}}unconcerned{{/U}} about the welfare of his animals.

A. critical about
B. indignant at
C. indifferent to
D. subject to

【正确答案】 C

【答案解析】[解析] indifferent to“对……漠不关心”。critical about“对……挑剔”；indignant at“对……感到气愤”；subject to“易受……的”。