【题目】As the clock struck nine, players ___________ their positions and the match began.
A. stood up B. took up
C. made up D. set up
在线课程【答案】B
【解析】
试题分析：考查动词短语。A. stood up 站起来；B. took up 拿起，从事，占时间、空间；C. made up组成，构成；D. set up成立，建立。句意：当九点的时候，运动员走到他们的位置，比赛开始。故选B。