Please remain ( )until the plane has come to a complete stop.A to seat B.to be seated C.seating D.seated答案是D为什么不选A呢?讲讲

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Pleaseremain()untiltheplanehascometoacompletestop.AtoseatB.tobeseatedC.seatingD.seated答案是D为什么不选A呢?讲讲

Please remain ( )until the plane has come to a complete stop.A to seat B.to be seated C.seating D.seated答案是D为什么不选A呢?讲讲
Please remain ( )until the plane has come to a complete stop.
A to seat B.to be seated C.seating D.seated
答案是D为什么不选A呢?讲讲

Please remain ( )until the plane has come to a complete stop.A to seat B.to be seated C.seating D.seated答案是D为什么不选A呢?讲讲
REMAIN 后要用形容词性的

选D

remain后接动词过去分词,表保持某种状态