BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning seaplanes on the water?

A
A seaplane must show appropriate lights but need not exhibit shapes.
B
A seaplane should exhibit the lights for a vessel constrained by her draft.
C
In situations where a risk of collision exists, a seaplane should always give way.
D
A seaplane on the water shall, in general, keep well clear of all vessels.
E