Which Statement Best Reflects the Core Idea of Attachment Theory

Which statement best reflects the core idea of attachment theory?

A) There must be more commitment and less passion for a love relationship to endure.
B) Feelings of love are due to physiological arousal and the labeling of that feeling as love.
C) There are six styles of love that reflect relationship styles rather than individual styles.
D) Adult love relationships replicate the qualities of the infant-caregiver bond.