Jessica has been a loyal customer of the Deluxe Bank for more than ten years. Over the years, she has never faced any major problems with the bank. However, when she applied for a house loan recently, her request was rejected. In response, Jessica closed her current account with the bank and switched to another bank. Her response illustrates the phenomenon of:

A. emotional regression.
B. psychological reactance.
C. psychodynamics.
D. psychological repression.
E. psychodrama.