16. What lights shall be exhibited by a vessel when not under command, making way through water at night? (A) Two all-round red lights in a vertical line, sidelights and a sternlight. (B) Three all-round red lights in a vertical line, sidelight and a sternlight. (C) Two all-round white lights in a vertical line, sidelights and a sternlight. (D) Three all-round white lights in a vertical line, sidelights and a sternlight.