There is actually no purpose of the test except that you can just look at what you can become with the type of personality you have.
The correct answer is D. Push-ups.
<em>Push-ups is the only activity which strengthens muscles and can be completed in school.</em>
Exercise helps muscles to be at rest and also makes someone feel reinvigorated. There are some exercise which are strength-building.
For example, jumping sacks, forward lunges, push-ups, arm extension and plank.