Sevonne Is Sitting at Her Desk at Work

Sevonne is sitting at her desk at work. She suddenly feels her stomach drop and heart pound. She then thinks about and remembers that she forgot to pay her rent yesterday. This results in her feeling upset and frustrated because her landlord told her not to be late getting the payment in. Which theory of emotion best fits this situation?

A) Schachter-Singer theory
B) James-Lange theory
C) Smith-Scott theory
D) Cannon-Bard theory