In which sentence is the singular possessive of lobster formed correctly?
AThat lobsters' claws were sharp and powerful.
BThat lobsters claws were sharp and powerful.
CThat lobsters's claws were sharp and powerful.
DThat lobster's claws were sharp and powerful.
AThat lobsters' claws were sharp and powerful.
BThat lobsters claws were sharp and powerful.
CThat lobsters's claws were sharp and powerful.
DThat lobster's claws were sharp and powerful.