Juan Really Wants to Become a Doctor

Multiple Choice

Juan really wants to become a doctor.He continues working toward his goal,despite the fact that he has trouble with the course work and has difficulty getting admitted to college and
Paying for his education.Juan's willingness to keep working toward his goal,despite the
Challenges,is an indication that Juan has

A) grit.
B) external motivation.
C) internal motivation.
D) natural talent.