"why not offer yoga as an option for PE? teens should be able to practice yoga for the same reason adults do. for outdoor enthusiasts, offer a course that includes all outdoor activities such as rock climbing, hiking, and biking. This may appeal to students who have done these activities on their own or those who simply want to try something new."

according to the writting adding a different selection of the class impacts which of the following?
A. level of fitness
B. changes in diet
C. participation
D. motivation

C. participation