The train arrives in Liverpool at 10 p.m. tonight . The plane I would like to take from there _______by then.

A．will leave

B．would have left

C．will have left

D．has left

绝缘纸纤维的吸湿能力与绝缘油的吸湿能力相比，其吸湿能力（）。

A.差不多；

B.大一个数量级；

C.大两个数量级；

D.大三个数量级。