Machines that use hydraulic pressure including elevators, dentist chairs, and automobile brakes.

A．exclude

B．excluding

C．include

D．are included

逻辑覆盖标准中最弱的覆盖标准是( )。

A．条件覆盖

B．条件组合覆盖

C．判定覆盖

D．语句覆盖