单选题 The main attraction of the Marathon for non-participant is______.

A、 the amount of money raised for charity
B、 the chance to take part the following year
C、 witnessing the contestants' determination
D、 a concern with the race' s history

【正确答案】 C

【答案解析】推论题。从“That excellence is not just... but also the quality of determination shown by all the completions， ...” 中可得出C项“马拉松对于非参赛者的主要吸引力在于亲眼目睹参赛者的坚定信念”这一结论。