7-89J2 B
 Once ARQ communication with the coast radio station has been established, which of the following events will most likely take place?
A. The vessel then requests the coast radio station's SELCAL so that communication can be set up on the appropriate working channel.
B. After exchanging answer-backs (WRU-AAB) with the vessel, the coast radio station transmits GA+?.
C. Since communication has already shifted to the working channel, the vessel then transmits the subscriber number and text of the message to be sent for the coast radio station to store and forward.
D. The coast radio station will transmit a menu of commands such as DIRTLX+, OBS+ or AMV+ so the ship can select the desired action.
