单选题
Peter called on her {{U}}prior to{{/U}} his departure and knew she was in
good condition physically.
A. in
B. around
C. from
D. before
【正确答案】
D
【答案解析】[解析] prior to:介词短语,在之前,和before意思相同,例如:The crowd enjoyed a diving display before the swimming races.大伙儿在游泳比赛前欣赏了跳水表演。around:在附近、在周围,例如:Will you please wait around for me?请在附近等我好吗?from:来自于,例如:He comes from Germany.他来自德国。