-- oh my god l can't find my key to the office -- don't worry perhaps it --- at your homea\ leftb\ has leftc\ was leftd\ had left请您说明理由好吗?

-- oh my god l can't find my key to the office -- don't worry perhaps it --- at your homea\ leftb\ has leftc\ was leftd\ had left请您说明理由好吗?
-- oh my god l can't find my key to the office -- don't worry perhaps it --- at your home
a\ left
b\ has left
c\ was left
d\ had left
请您说明理由好吗?

-- oh my god l can't find my key to the office -- don't worry perhaps it --- at your homea\ leftb\ has leftc\ was leftd\ had left请您说明理由好吗?
C
it 代替前文的“钥匙”,而“钥匙”又是谓语leave 所表动作的“承受者”,所以要用被动的语态,这里几个选项中只有C是被动语态
请在客户端右上角评价点“满意”即可,