Nutritive food elements are

Options

A. carbohydrates
B. proteins
C. fat
D. All of these

Answer

**Step-by-Step Solution:**

1. **Identify Nutritive Food Elements**: The first step is to recognize what nutritive food elements are. These are essential components of our diet that provide energy and support bodily functions.

2. **List the Main Nutritive Food Elements**:
- **Carbohydrates**: These are the primary source of energy for the body. They are broken down into glucose, which is used by the body for immediate energy or stored for later use.
- **Proteins**: Proteins play a crucial role in the body, primarily in building and repairing tissues. They also help in controlling metabolic reactions through enzymes and hormones.
- **Fats**: Fats are another important source of energy. They serve as a major storage form of energy in the body and are also essential for the absorption of fat-soluble vitamins.

3. **Conclusion**: All three elements - carbohydrates, proteins, and fats - are essential nutritive food elements that contribute to the overall health and functioning of the body.

4. **Correct Option**: Based on the information provided, the correct answer is that all three (carbohydrates, proteins, and fats) are nutritive food elements of our body.