The Swamp-Dwelling Mangrove Tree Typically Produces Viviparous Seeds, Which Confer

The swamp-dwelling mangrove tree typically produces viviparous seeds, which confer what kind of advantage for the offspring?

A) The germinated seeds can establish themselves next to the parent tree.
B) The germinated seedling can float away on the water to establish itself elsewhere.
C) The germinated seed can imbibe water more quickly in the moist environment.
D) They are protected from animal predators.
E) They are ensured survival since they have already germinated.