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 her control her panic attacks.
a.
biofeedback
b.
hypnosis
c.
meditation
d.
tolerance