Behaviorally oriented therapists seek to modify a client's behavior by repressing the client's deviant thoughts repressing the client's deviant thoughts A relating past events to the client's current behavior relating past events to the client's current behavior B removing the underlying causes of the client's behavioral problems removing the underlying causes of the client's behavioral problems C explaining the significance of the client's dreams explaining the significance of the client's dreams D changing the contingencies of reinforcement for the client