Which of the following demonstrates the interoceptive exposure approach to treating panic disorders? A. Courtney is placed on a treadmill and encouraged to run as fast as she can. B. Yoana is placed in a room with a series of increasingly realistic toy spiders. C. Rith is taken to the top of a tall building and has his blindfold removed. D. Derrick is accompanied by a therapist to a crowded DMV location.