They're very angry.They _ to see for the last two or three hours.A.are managingB.will promiseC.had made up their mindsD.have been trying为啥?

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They''reveryangry.They_toseeforthelasttwoorthreehours.A.aremanagingB.willpromiseC.hadmadeuptheirminds

They're very angry.They _ to see for the last two or three hours.A.are managingB.will promiseC.had made up their mindsD.have been trying为啥?
They're very angry.They _ to see for the last two or three hours.
A.are managing
B.will promise
C.had made up their minds
D.have been trying
为啥?

They're very angry.They _ to see for the last two or three hours.A.are managingB.will promiseC.had made up their mindsD.have been trying为啥?
句子里有for,表示持续性时间,要用完成时态,排除AB.前面一句是一般现在时,所以选D

for the last two or three hours表明要用完成时,排除A、B,再根据前面句子中they're排除C,答案为D。