The students of the philosophy of Perrennailsm, focuse three types of exercises like_________?

A. Reason, memory and will
B. Reason, nature and interest
C. Interest, will and experience
D. None of the these

The correct answer to the question: "The students of the philosophy of Perrennailsm, focuse three types of exercises like_________?" is "Reason, memory and will".