单选题

And the topic "fat" is forbidden. Even the slightest paunch betrays that one is losing the trim and ______ of youth.
A. vague B. vigor C. vogue D. vulgar
【正确答案】 B
【答案解析】vigor精神；trim整齐，整洁；vague含糊的，不清楚的；vogue时髦，流行；vulgar庸俗的，普通的。