Match each hygiene strategy with the disease it can prevent A:wash hands
B: wash food
C: wash skin

1:common cold
2:athlete’s foot
3: salmonella poisoning

common cold / wash hands

athlete's foot/ wash skin

wash food/ salmonella poisoning

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.