—Guess what? I happened to have met Mark at the party last week．

—If my memory serves me correctly, you two ______ each other for almost ten years．

A．hadn't seen

B．haven't seen

C．didn't see

D．don't see

要接近EDP，需要打开（）

A、发动机下部蒙皮

B、发动机下部内侧蒙皮

C、发动机上部内侧蒙皮