Which statement(s) is/are TRUE concerning radio equipment on towing vessels of 26 feet or more in length?

A
The vessel must have a ship-radio-station license issued by the FCC.
B
Each radio operator must hold an FCC-issued restricted operator's license, or higher.
C
Maintain a continuous listening watch on VHF channel 16 and the bridge-to-bridge channel.
D
All of the above.
E