增值税一般纳税人从货物运输发票中抵扣进项税款时必须具备的前提条件有 ()。

A．开具运输发票的纳税人需经其主管地方税务局认定

B．非国有运输单位开具的货运发票须套印全国统一发票监制章

C．私营运输单位开具的发票须由县以上交通主管部门统一向税务机关领购

D．增值税一般纳税人取得的运输发票，抵扣期限不得超过开具之日后的90天

I told Sally how to get there, but perhaps I ________ for her.

A．had to write it out

B．must have written it out

C．should have written it out

D．need to have written it out