Read the scenario below and answer the question that follows. Savannah has been diagnosed with panic attacks. She and her doctors are trying to figure out how to get her panic attacks under control. She is hooked up to a machine that beeps when her heart rate speeds up so that she can concentrate on lowering her heart rate and keeping calm. Savannah's doctors are more than likely using __________ to help her control her panic attacks. A. biofeedback B. hypnosis C. meditation D. tolerance