The correct option is D Low-protein diet
Kwashiorkor is a severe form of malnutrition, caused by a deficiency in dietary protein. The extreme lack of protein causes an osmotic imbalance in the gastro-intestinal system causing swelling of the gut diagnosed as an edema or retention of water. Protein Energy Malnutrition (PEM) is a public health problem that exists among children in developing countries, and in certain communities of some developed countries mainly resulting from poor nutritional intake, bad hygiene practices and frequent infections.