The Eskimo is perhaps one of the most trusting and considerate of all Indians but seems to be______the welfare of his animals.
【正确答案】 C
【答案解析】indifferent to表示“对……漠不关心”。A项critical about表示“对……挑剔”;B项indignant at表示“对……感到气愤”;D项subject to表示“易受……的”。