Question

 Look, so many passengers _______ with their smart phones on the underground..

A. played      B. will play     C .are playing        D. have played

Answer 1

【答案】C

【解析】考查动词时态。 句意：看，在地铁里，这么多乘客在玩他们的智能手机。强调正在做某事，用现在进行时。