单选题 He impressed all his colleagues as a vigorous man in the prime of his career.
A. hot-tempered B. healthy C. friendly D. patient

【正确答案】 B
【答案解析】[解析] vigorous：精力充沛的、有活力的，和healthy(健康的)意思相近；hot-tempered：脾气大的、性子烈的；friendly：友好的；patient：耐心的。