I would choose “A - Refuse to talk about your feelings”. Not talking about your feelings may not help the situation
A. The balance needed to hold a handstand without falling.
Skill-related fitness is something that your body needs to be trained to do and need focus to complete. The other answer options are your body's physical capability rather then something that takes skill and needs practice, such as balance.
C-season because the food that you eat has to ripe for the picking.