At noon, my mother designed a lunch recipe for Xiaoming: rice, fried beef and egg drop soup. Which of the following do you think will make this recipe more reasonable?
In this recipe, the main ingredients of rice are sugar, the main ingredients of stir-fried beef are protein and fat, and the main ingredients of egg drop soup are water and inorganic salts. According to the requirements of a balanced diet, vitamins and other nutrients are also needed. Vegetables mainly provide vitamins and so on. So option d fits the question.
Therefore, choose: d.