请选择CBA:s:|4x6q9S/{5c/@当你告诉别人”我正在跳舞”时，说：0b+]5P1U(C.I*J4S5X)k/R5x
A. I am singing .0b+]5P1U(C.I*J4S5X)k/R5x
B. I am writing .0b+]5P1U(C.I*J4S5X)k/R5x
C. I am dancing .0b+]5P1U(C.I*J4S5X)k/R5x