Ethan knows that he's been overtrained for a weightlifting competition. His trainer tells him that he needs to change his schedule. Ethan decides to trade his usual afternoon at the gym for a yoga class. Is this a good response to his trainer?
A. Yes, he absolutely must keep exercising
B. No, he must take time off exercising
C. Yes, it will work his muscles very differently
D. No, yoga has nothing to do with weightlifting