In accordance with the Behavioral Activation model of depression, for a patient who reports that his/her mood is not changing after engaging in the specified behavioral goals for a course of two weeks, it is indicated that:
a. The process of terminating therapy should begin.
b. The patient should continue with the exercise program even if they have not experienced a change in their feelings yet.
c. A different treatment intervention should be considered at that time.
d. None of the Above