Answer:
The answer is letter C, starch.
Explanation:
A calorie <em>is a unit of energy in food.</em> It tells a person how much energy he can get by consuming a specific food. The calories of food are different form each other, thus it is important to be wise in choosing a food that provides lots of nutritional benefits with low calorie.
In order to reduce the calorie content of a diet, meals should contain limited amounts of food containing starch. Starch is a form of complex carbohydrate that consists of sugar molecules. Thus, eating a lot of this causes weight gain and will not lead to a reduce calorie content. It also increases the blood glucose level in the body.
On the contrary, <em>proteins, vitamins and minerals are essential nutrients </em>that you should have in your diet. It improves the overall function of the body.
