Under 46 CFR §199.130, a liferaft without an indicated maximum stowage height on its container must be stowed no more than what height above the waterline, measured with the vessel in its lightest seagoing condition?

Why A is correct

46 CFR §199.130(c)(2) states that a liferaft without an indicated maximum stowage height must be stowed not more than 18 meters (59 feet) above the waterline with the vessel in its lightest seagoing condition. The 4.5-meter figure relates to embarkation station height thresholds for launching appliances, and 2 meters is the minimum stowage height above the waterline.