Final answer:
Providing nutrition education and encouraging exercise is the best way to promote students' ability to make healthy choices.
Step-by-step explanation:
The correct option to promote students' ability to make healthy choices is option C) Providing nutrition education and encouraging exercise.
Nutrition education helps students understand the importance of healthy eating and equips them with the knowledge to make informed choices about their food. Encouraging exercise helps students develop an active lifestyle, which is important for maintaining overall health and preventing obesity.