单选题 This peer-reviewed journal has a specific emphasis on effective treatment of acute pain.
A. urgent B. severe C. stern D. sensitive

【正确答案】 B
【答案解析】acute:急性的,剧烈的,迫切的,敏锐的;urgent:迫切的,紧急的;severe:严重的,严峻的;stern:严酷的,严肃的;sensitive:敏感的