Samir ran for 10 minutes, stopped and stretched for 5 minutes, walked for 20 minutes, and ran for another 15 minutes. Which part of the scenario is best represented by a linear constant interval?A. Samir ran for 10 minutes.B. Samir walked for 20 minutesC. Samir stopped and stretched for 5 minutes.D. Samir ran for 15 minutes.