当你告诉别人”我正在跳舞”时，说：请选择CBA6F(f.\/f:n6x'A8r2S0D6W'h.O/o3E.]6`,a-d2}*i5n5f
A. I am singing ..O/o3E.]6`,a-d2}*i5n5f
B. I am writing ..O/o3E.]6`,a-d2}*i5n5f
C. I am dancing ..O/o3E.]6`,a-d2}*i5n5f