请选择CBA6}*P8e9S:u(}-z/A9i.I 当你告诉别人”我正在跳舞”时,说:6v4M5O:b.\5F
A. I am singing .6v4M5O:b.\5F
B. I am writing .6v4M5O:b.\5F
C. I am dancing .6v4M5O:b.\5F