Which of the following are in descending order of their value? A) 5/9, 7/11, 8/15, 11/17 B) 5/9, 8/15, 11/17, 7/11 C) 11/17, 7/11, 8/15, 5/9 D) 11/17, 7/11, 5/9, 8/15