Serena Williams
Serena started playing tennis at the age of three. Her father, Richard Williams, had had observed his daughter's talent for tennis. He was her first coach. Even at age three, Serena was strong enough to play tennis for two hours a day. By 2002, Serena had won the Wimbledon, the French Open, and the and the United States Open Tennis Championships. In 2003, she won the Australian Open and by 2012, Williams had won 15 Grand Slam singles titles and 13 Grand Slam doubles titles. In 2015, she won the Wimbledon title, making her the oldest Grand Slam singles champion in the Open division.
Which sentence is the best concluding sentence to the paragraph?
A. She was called one of America's 50 Most Inspiring African Americans by Essence magazine.
B. She has designed her own line of clothing called "Aneres."
C. Serena and her sister were one of the first African American women to own an NFL team.
D. Serena Williams is one of America's greatest sportswomen.