When the policemen arrived at the airport, the plane had already ________.

When the policemen arrived at the airport, the plane had already ________.

A.gone off

B.taken away

C.taken off

D.left off

答案及解析： C

解析：

go off“离开，熄灭”；

take away“拿走”；

take off“(飞机)起飞”“脱下”