Ron is exceptional in mathematics. it is not only a subject in his school but also his past time. he loves solving complicated problems related to mathematics. which of the following best explains this behavior?

I had to look for the options and here is my answer:

Based on the description of the behavior that Ron has exhibited, this explains that his behavior is based on intrinsically motivated behavior. Intrinsic means inherent or inborn. The behavior he possesses are already natural to him and are not acquired.