Answer: D
Explanation: The characteristic this young man seems to have is self-efficacy. According to Bandura, this characteristic is related to how we perceive our own strenghts and flaws; if we are convinced that we have what it takes to develop certain activity with efficacy, we are well-determined and will probably get the results we're hoping for, otherwise we are probably not going to have good results. This implies that people have different levels of "self-efficacy" for different things and it's determined by our background among other things.