【1.Wearelate.Iexpectthefilm________bythetimewegottothecinema.A.willalreadyhavestartedB.wouldalreadyhavestartedC.shallhavealreadystartedD.hasalreadybeenstarted2.Ifoundanaspirinbottle_______droppedonthefloorofDavid's】

　　1.Wearelate.Iexpectthefilm________bythetimewegottothecinema.

　　A.willalreadyhavestarted

　　B.wouldalreadyhavestarted

　　C.shallhavealreadystarted

　　D.hasalreadybeenstarted

　　2.Ifoundanaspirinbottle_______droppedonthefloorofDavid'sroom.

　　A.wasB.hadC.hadbeenD.is

　　请帮我选出答案,并详细说明道理,

　　我知道答案是A，但关键是我不知道为什么选A，youchoosetheseanswers