Which sentence shows an idea that would be important to include in a summary of this passage? A. Butter is made mostly of animal fat. B. Fats called oils can be used to fry food. C. Fats are found in animals and plants. D. Margarine is made mostly from plant fat.

Passage: Fat

Fats are found in animals and plants. Foods that you eat every day are made of fats. Butter is made mostly of animal fat. Margarine is made mostly from plant fat. Fats that are liquid at room temperature are called oils. Oils are used on salads and can be used to fry food.
Fat is stored under the skin of humans and many animals. Fat helps keep people and animals warm. It also helps protect areas around eyeballs and other body parts. In plants, most of the fat is stored in the seeds. The fat provides food to the seed when it first begins to grow.
Is it possible to have too much fat? Of course! Doctors say that people should be careful about how much fat they eat. Most foods have a little fat, but a person can get sick if he or she eats a large amount of food with too much fat.