Select the correct statements about snakes. (CTET Nov 2012) I. Only four types of poisonous snakes are found in our country. II. Cobra is a poisonous variety of snakes. III. A poisonous snake has four hollow tooth (fangs) through which the poison enters the body of a person when the snake bites. IV. Medicine for snake bites is made from the snake's poison, Which of the statements given above are correct?

• A. I, IV and I
• B. II, I and III
• C. I, II and IV
• D. II, III and IV