Which statement is TRUE concerning a required watch on VHF Channel 16?

A
It is compulsory at all times at sea until February 2005.
B
If a vessel is subject to the Bridge-to-Bridge Act and in a VTS system, a watch is not required on Ch-16 provided the vessel monitors both the Bridge-to-Bridge and VTS system, when within Sea Area A-1.
C
It is always compulsory when in Sea Areas A1, A2, A3 and A4.
D
All of the above
E