Ginny finds out that her husband is having an affair. She becomes very depressed and tells her best friend, "I couldn't survive if he left me.". According to REBT, Ginny's depression is the result of

a. having lost meaningfulness in her life, and her need to make the courageous choice to finally divorce her husband.
b. having developed learned helplessness through avoidance conditioning.
c. her use of the defense mechanism of regression as a coping mechanism.
d. her irrational belief that she should depend on others who are stronger than herself.

D