Lucas goes stand-up paddleboarding three days a week and paddles at a leisurely pace. his local surf shop is hosting a stand-up paddleboarding race at the end of next month. how can lucas apply the sport principles to get in competition shape for the race? a. he can focus on progression, increasing the intensity and time he spends on the paddleboard. b. he can continue paddleboarding three times per week at the same pace to avoid reversibility. c. he can start to lift weights and run a few days a week to add specificity to his training. d. he can explore other types of physical activity so paddleboarding doesn't become tedious.