当你告诉别人”我正在跳舞”时,说:请选择ABC)O:n7Z-m9S.}3Y2Z3t4l5?4?7v;]0b6G+~.u'k
A. I am singing .5?4?7v;]0b6G+~.u'k
B. I am writing .5?4?7v;]0b6G+~.u'k
C. I am dancing .5?4?7v;]0b6G+~.u'k