Answer:
The BEST example of a complete paragraph is option B
Step-by-step explanation:
"The Olympics showcase athleticism and culture. Every four years, world athletes converge in a host city to compete in the winter or summer Olympics. During the 16-day event, international athletes participate in various feats of athletic skill depending on their area of expertise. Some sports, like figure skating, allow for the audience to experience the athlete’s home country’s music or style. When the closing ceremonies arrive, athletes and audience alike have gained new insight into athletic skill and diverse cultures of the world."
This is a complete paragraph since it has all the elements that are necessary to make one, it has 5 well constructed and complete sentences, as well as a thesis and supporting details.