The amber LOW PRESSURE lights for the No.1 Engine Driven Hydraulic Pump illuminates. What should you do?

A、
A、Positionthehydraulicpumpswitchtooff.
B、
B、PulltheNo.1enginefirewarningswitch.
C、
C、DisconnecttheNo.1CS
D、
D、
D、MonitorSystemAandBpressures.