ne plus ultra

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You are an Olympic athlete widely considered to be the fastest human on earth. With seven gold medals already under your belt, and despite a persistent leg injury, you are the favorite to win another track medal in the upcoming Games. If another win is a ne plus ultra, you

a.) Will no longer be allowed to compete in the Olympics.

b.) Will be at the highest point of your career.

c.) Will have to retire because you won't be able to run anymore.