Under 46 CFR §199.180, onboard training in the use of the vessel's lifesaving appliances must be given to a new crewmember no later than how long after joining the vessel?

Why A is correct

46 CFR §199.180(g)(1) requires that onboard training in the use of the vessel's lifesaving appliances, including survival craft equipment, and fire-extinguishing appliances must be given as soon as possible but not later than 2 weeks after a crewmember joins the vessel.