You were silly not _______ your car.

A．to lock

B．to have locked

C．locking

D．having locked

汉译英：“有效期限；签发日期；运输方式”，正确的翻译为：( )。

A．valid period；date of dispatch；means of transport

B．departure time；issuing date；means of conveyance

C．departure time；date of dispatch；means of conveyance

D．Valid period；issuing date；means of transport