题目

What could make Michael Jordon, one of the greatest basketball players in history, shed tears?  It was when he became a member of the Basketball Hall of Fame on September 11. The hall is in Springfield, Massachusetts and honors the best basketball players, greatest coaches and other contributors to the game. “The game of basketball has been everything to me ,” said Jordan, 46. “It is the place I have always gone when I needed to find comfort and peace.”   Jordan retired twice in his 15-year career, finishing with 32292 points, the third highest total points in NBA history behind Kare已知点A、B、C是直线a上有三点，P是直线a外的一点，且PA=6，PB=7，PC=8，则点P到直线a的距离是（　　） A、6B、7C、8D、不大于6