Select the sentence that has correct subject-verb agreement.
Group of answer choices
Glass frogs has translucent bellies, which mean that their skins is see-through.
Glass frogs has translucent belly, which means that their skin are see-through.
Glass frogs have translucent bellies, which means that their skin is see-through.
Glass frogs have translucent belly, which mean that their skins is see-through.