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(A)He argues that anti-doping authorities have not adequately defined and publicized how they arrived at the criteria usedto determine whether or not a test result is positive.
(B)These were just a few in a long line of cases in which competitors had been accused of using performance-enhancingsubstances.
(C)The alternative could see the innocent being punished while the guilty escape on the grounds of reasonable doubt.
(D)In the process, they push the human body to its limits and go beyond what is known about the drugs being taken.