You Are Walking Through a Store When You See a Good

You are walking through a store when you see a good friend. According to the James-Lange theory, what might happen?

A) You experience physiological changes followed by a feeling of happiness.
B) You feel happiness followed by physiological changes.
C) You experience physiological changes and a feeling of happiness simultaneously.
D) You experience physiological changes and context appraisal followed by a feeling of happiness.