单选题 Some polls show that roughly two-thirds of the general public believe that elderly Americans are ______ by social isolation and loneliness.
A. reproached B. favored C. plagued D. reprehended

【正确答案】 C

【答案解析】[解析] A意为“责备，责怪”；B意为“支持，赞成”；C意为“给某人造成麻烦或困难”；D意为“批评或指责”。本句的意思是说：……认为美国老人受被社会隔离和孤独的折磨。因此本题的答案为C。