Don’t expect to pass the driving test at your first attempt.____, you’ve been learning to drive for only a couple of days.

A．As a result

B．After all

C．In other words

D．In general

以下属于公路工程费用的是( )。

A．直接成本

B．管理费

C．施工利润

D．营运成本

E．设备购置费