Answer:
The availability of salad bars.
Explanation:
The children require special nutrition and diet for their proper growth and development. This is the duty of the parent as well as the school to guide the students about the diet management.
The National School Lunch program main aim is to provide the proper management of the lunch for the children. Salad includes the important nutritious element that helps the children in their growth. the salad bars availability is in the favor of the National School Lunch program.
Thus, the correct answer is option (b).