When the Parasympathetic Branch of the Autonomic Nervous System Allows

When the parasympathetic branch of the autonomic nervous system allows our heart to beat slow and steady, we are likely in what kind of situation?

A) Witnessing the outbreak of a fight
B) Sitting in a chair reading a book
C) Running from a parking lot to a building
D) Watching a thrilling movie
E) Responding to a friend's insult