The correct options are
A Staying inside the house.
D Staying inside a car with windows and doors closed .
During lightning or a thunderstorm, staying inside the house or a building of a low height is considered safe. A playground is not considered safe because, the chances of you getting stuck by lightning are more. If you are inside a car, staying inside the car with doors and windows closed is considered safe. Also as water is a good conductor of electricity, taking a bath during a thunderstorm is not safe as you may receive an electric shock.