请选择DCBA3@1e0X9@ "Practice in pairs." means______.5J;t(c,]'y(r4h9g;K;Y
A.两人练习5J;t(c,]'y(r4h9g;K;Y
B.两人表演5J;t(c,]'y(r4h9g;K;Y
C.组成小组5J;t(c,]'y(r4h9g;K;Y
D.三人游戏5J;t(c,]'y(r4h9g;K;Y