The answer is self explanatory since vicarious in any dictionary available on the Internet is presented as something experienced second-hand, by sympathizing with others, not on our own.
Therefore, C. enjoying watching others is the correct answer.
Explanation: vicarious means that something is done by another person, it also can mean experience in the imagination through the feelings or actions of another person. In this case, if your enjoyment of sports is vicarious, it means that you enjoy the sports through the actions of others, that is to say that you enjoy watching others play.
Nature has made us live and let us gather the resources we need for life. Shelter, food, and water. I am similar because of my look and attitude. An example is that the things and animals in nature help shape us and influenced our generation. Experiences like friends shapes who I become.