[单项选择]In the days before Diana became accustomed to daily hairdressers, high fashion and expertly applied makeup, she looked her best when she was wearing her least. No frilly blouses concealed her elegant neck, carefully cut skirts her long legs, or bulky sweaters her wellrounded figure. She was young and not fully aware of just how attractive she could be. But if she wanted to impress a young man, any young man, she always made it a point to go swimming or sailing or, at the very least, play a game of tennis. When Prince Charles saw her aboard Britannia at Cowes in the late summer of 1980, he wasn’t however particularly interested. She belonged to his younger brother Andrew’s set, and had come aboard, not at Charles’s invitation, but with Lady Sarah Armstrong Jones, his cousin and sixteen years his junior. Diana was three years older than Sarah, but still almost a generation away. And besides, Charles had his mind on other things most particularly the breakup of his romance with A. 16. B. 13. C. 19. D. 9.