Some person has the ability to become a doctor and some one has the ability to become a teacher. For what reason does this happen?

Some person has the ability to become a doctor and some one has the ab

1.	Some person has the ability to become a doctor and some one has the ability to become a teacher. For what reason does this happen?
A.	because of intelligence
B.	because of habit
C.	due to interest
D.	All of the above
Answer» D. All of the above