Question: Which WADA rule most precisely matches the following clause: "It is the Athletes' personal duty to ensure that no Prohibited Substance enters their bodies and that no Prohibited Method is Used."?
Options:
WADC Art. 2.1.3
WADC Art. 2.6.1
WADC Art. 2.9
WADC Art. 2.2.1
Correct option number: 4
Explanation: WADC Art. 2.2.1: It is the Athletes' personal duty to ensure that no Prohibited Substance enters their bodies and that no Prohibited Method is Used.
Source: WADC Art. 2.2.1