单项选择题

A.力量要重,动作连贯而流利,不牵拉皮肤
B.力量适中平稳,动作连贯而流利,不牵拉皮肤
C.力量适中平稳,动作连贯而流利,可牵拉皮肤
D.力量要轻而浮,动作不连贯而流利,不牵拉皮肤