Final answer:
The recommended amount of time to rest between strength training workouts is 48 hours.
Step-by-step explanation:
When engaging in strength training workouts, it is important to allow your muscles enough time to rest and recover in order to avoid overtraining and promote muscle growth. The recommended amount of time to rest between strength training workouts is 48 hours (option D). This time allows your muscles to repair and rebuild, which is crucial for muscle growth and overall strength development.
Learn more about Rest and recovery time for muscles in strength training workouts