Rose Really Wants to Return to School to Get a Better

Rose really wants to return to school to get a better job. She has set a goal of taking at least six credit hours per semester in order to achieve her goal in six years. She has recently become depressed because she only has enough money to take three credit hours the next two semesters. According to Rotter, her depression is a result of:

A) A lack of freedom of movement
B) Not being able to achieve her minimal goal value
C) A lack of external control of reinforcement
D) a & b
E) b & c