Final answer:
The best beginner-level plyometric exercise is the Squat jump, which builds foundational strength and power while teaching proper landing mechanics.
Step-by-step explanation:
The best type of plyometric exercise for a beginner client is C. Squat jump. This exercise does not require as much technical skill as others such as depth jumps or tuck jumps, reducing the risk of injury for those who are new to plyometrics. Squat jumps help to build foundational strength and power, and they teach proper landing mechanics, which are critical for safety and effectiveness in more advanced plyometric exercises. Beginners should focus on perfecting the form before progressing to more complex movements.