Ralph's Long-Time Girlfriend Amy Dumped Him During His Junior Year

Ralph's long-time girlfriend Amy dumped him during his junior year in college. When asked why he hasn't dated much in the last five years, he says that "he'll never be able to truly trust another woman after what Amy did to him." According to REBT, Ralph

A) has lost meaningfulness in his life and needs to make the courageous choice to find love.
B) is exhibiting learned helplessness and avoidance conditioning.
C) is exhibiting the defense mechanism of regression.
D) has an irrational belief that because something once strongly affected him, it will do so forever.