Which Statement Best Reflects the Core Idea of Attachment Theory

Which statement best reflects the core idea of attachment theory?

A) For a love relationship to endure,there must be a balance between love,commitment,and passion.
B) Feelings of love are due to physiological arousal and the labeling of that feeling as love.
C) One can distinguish among six types of love.
D) Adult love relationships replicate the qualities of the infant/caregiver bond.