Which one of the following is a rich source of fat

Answer: Option B

Walnut is one of the following options which is a rich source of Fat.
Fat is one of the three essential macronutrients the body needs, along with carbohydrates and protein. A balanced diet should include healthful monounsaturated and polyunsaturated fats.
Walnuts are rich in antioxidants and healthy fats. They may reduce heart disease and cancer risk, as well as improve brain function and possibly slow the progression of Alzheimer's disease.