Answer:
The correct answer is option A. grit.
Explanation:
Grit is a positive trait that is based on the perseverance and efforts for a particular goal or aim by an individual for the long term. It is a non-cognitive characteristic that can be understood as a strong motivation to get an objective.
John showing grit to become the doctor despite the fact that he has difficulties to admitted to college and paying for the education.
Thus, the correct answer is option A. grit.