Thepilotaskedallthepassengersonboardtoremain

来源：语文精选馆 3.33W

The pilot asked all the passengers on board to remain ______ as the plane was making a landing.

A. seat B. seating C. seated D. to be seating

C. 单从结构上讲，remain后可用现在分词、过去分词或动词不定式作表语，但是seat应用seated作表语，如：Please be seated.(=Please seat yourself.=Sit down, please)。故选C。