Capt Neal is Correct. The answer is A

Sorry Joe

"Bart Senior" wrote

INLAND / INTENATIONAL

Which vessel may combine her sidelights and
sternlight in one lantern on the fore and aft
centerline of the vessel?

A. A 16-meter sailing vessel.
B. A 25 meter power-driven vessel
C. A 28-meter sailing vessel
D. Any non-self-propelled vessel