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Which option best reflects Rule 30 — Anchored Vessels and Vessels Aground?
A
Anchored vessels normally show a forward all-round white light, and for larger vessels a second lower white light aft.
B
Day shapes matter in daylight even when the ship's lights are also relevant.
C
Sternlight covers 135 degrees.
D
Rule 22 establishes the minimum ranges of visibility for navigation lights based on vessel length.