Is suppressing a cry of pain showing exuberance or stoicism? why

"exuberance" means enthusiasm or showing a lot of energy. if someone holds back a cry of pain, that doesn't really make them seem energetic or excited. from that alone, you can infer that "stoicism" is your answer, but that word relates to a pointed lack of emotion, like when someone doesn't want to lose face or show that they're in pain. 

The correct answer is b because ruth has pregnancy.