The correct options are
B Cover the person immediately with a thick blanket
C Try to extinguish the fire using water
D Ask the person to roll on the ground
∙ In a situation where something or someone catches fire, try to extinguish the fire with water.
∙ Ask the person not to panic and run around as fire blazes by the wind.
∙ Rolling on the floor helps to put out the fire.
∙ Cover the person immediately with thick blanket or jute sack.