According to Erickson's theory of psycho-social development, and going by the description above, Tom is demonstrating FIDELITY.
The stage of Fidelity occurs during adolescence (Age 12-19) which should be the range of Tom's age, being an high school senior. His goal and dedication to become a Medical Doctor characterizes the existential question of the Fidelity Stage: Who am I? Who can I be?.
The answer is b the securities and exchange commission
Common. People who are common to us, at least in most cases...
For something to have value, it must have utility, or the capacity to be useful and provide satisfaction.