Vaseem Experienced Excessive Fear While Flying Because He Interpreted His

Vaseem experienced excessive fear while flying because he interpreted his rapid heart rate, shallow breathing, and heavy perspiration as a reaction to the imminent danger of a plane crash. When his psychotherapist convinced him that this physical arousal was simply a harmless reaction to acceleration, cabin pressure, and confined space, his fear of flying was greatly reduced. The reduction in Vaseem's fear is best understood in terms of the

A) James-Lange theory.
B) two-factor theory.
C) adaptation-level phenomenon.
D) relative deprivation principle.