A Core Strategy in the Behavioural Activation Approach to Treating

A core strategy in the behavioural activation approach to treating depression is:

A) engaging in activities that offer repeated experience of natural reinforcers.
B) learning how to assert oneself more effectively.
C) learning how to wake up early in the morning rather than sleeping in and wasting time.
D) learning how to develop a regular habit of engaging in cardiovascular exercise.
E) learning how to achieve a better work-life balance.