Correct option (c) cuttle fish
Explanation:
Closed circulatory system occurs in cuttle fish, i.e. ,Sepia, cephalopods are the only molluscs with a closed circulatory system. They have two gill hearts (also known as bronchial hearts) that move blood through capillaries of the gill. A single systemic. heart pumps the oxygenated blood through rest of the body.
