Select the correct statements about snakes :
A. Only four types of poisonous snakes are found in our country.
B. Cobra is a poisonous variety of snakes.
C. A poisonous snake has four hollow teeth (fangs) through which the poison enters the body of a person when the snake bites
D. Medicine for snake bites is made from the snake's poison.
1. A, B and D
2. B, C and D
3. C, D and A
4. B, A and C