请选择ABCD1~/P6r'` "Practice in pairs." means______.(P7M8D0G,^
A.两人练习(P7M8D0G,^
B.两人表演(P7M8D0G,^
C.组成小组(P7M8D0G,^
D.三人游戏(P7M8D0G,^