每一提升装置，必须装有从（）信号工发给（）信号工和从（）信号工发给（）的（）。

An airplane wants a vessel to change course and proceed towards a vessel in distress. The actions of the aircraft to convey this message will NOT include（）.

A.circling the vessel at least once

B.heading in the direction of the distress location

C.flashing the navigation lights on and off

D.crossing ahead and rocking the wings