A Study Comparing the Effectiveness of Two Forms of Treatment

A study comparing the effectiveness of two forms of treatment for panic disorder with agoraphobia (Craske et al.,1997) found that

A) interoceptive exposure resulted in a better outcome than breathing retraining.
B) breathing retraining resulted in better outcome than interoceptive exposure.
C) interoceptive exposure and breathing retraining were associated with similar outcomes.
D) interoceptive exposure and breathing retraining were associated with similar outcomes at post-treatment, but interoceptive exposure was superior at follow-up.