King Cobra is the only snake that makes its own nest. Why does it make its nest?

• A. It is a snake - eater and the nest helps attract other snakes.
• B. It is a viviparous snake and needs a nest to give birth to its offspring.
• C. It is an oviparous snake and lays its eggs in the nest and guards the nest until they are hatched.
• D. It is a large, cold blooded animal .and needs a nest to hibernate in the cold season.