选项
A.
A.一手动一手不动 B.一手主动打出 C.双手同时打出one hand moves while the other keeps still B. one hand actively plays C. both hands play at the same time
B.
B.一手主动打出 C.双手同时打出one hand actively plays C. both handsplay at the same time
C.
C.双手同时打出both handsplay at the same time
正确答案：