Answer:
The correct answers is option C, protein
Step-by-step explanation:
Various food items (derived from plants and animals) are protein rich but some have protein higher than the others and thus these food items are considered as high protein rich food. For example - lean meat and skinless poultry, eggs , legumes, nuts and seeds etc. are all good source of proteins. These sources of food also have vitamin, calcium and carbohydrate but since they have more of protein than other food item thus they are considered good source of protein only. While several other food items are good sources of vitamin, calcium and carbohydrates.