Everybody at the party was in a very relaxed and jolly mood.
【正确答案】 A
【答案解析】解析:句意:派对上每个人都沉浸在放松欢乐的氛围中。jolly兴高采烈的。rejoicing高兴,喜悦。reconcile和好。refreshing使人精神焕发的。resent对…感到愤怒。