Which trait will help you do the right thing even in challenging situations? A. sincerity
B. responsibility
C. Integrity
C. dependability

responsibility

Explanation:

because u need to always do the right things

d, i believe because of it's activity level

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.