Answer:
D) By comparing novice joggers to world-class runners
Step-by-step explanation:
As the author says that common people and novice joggers can participate in the rice alongside the world-class runners, we can assume that the word novice means new to a certain situation; without a lot of experience. The use of comparison (or, in this case, contrasting, as world-class runners and novice joggers are opposite) often helps us understand the meaning of words we may not understand isolated.