【题目】Sir, could you please take your seat? The plane .
A.takes off B.has taken off C.is taking off D.took off
【答案】C
【解析】
考查动词时态。句意:先生,请坐好吗?飞机正在起飞。结合上文Sir, could you please take your seat?可知推知飞机“正在”起飞,应用现在进行时,主语为plane,谓语动词用is。故选C。