According to the Biological Perspective, Which of the Following Is

According to the biological perspective, which of the following is a reason why lovers may feel "high" or as if they are being swept away?

A) Culture has taught people that love makes them feel content and happy.
B) Norepinephrine produces sleeplessness, elation, and euphoria.
C) Increased attachment with one's partner releases stimulants that calm the mind and lowers stress levels.
D) Society instills in people the ability to prioritize love over other relationships.