Answer:
B. temperance.
Step-by-step explanation:
Temperance is the practice of one always controlling himsel against taken actions, thoughts, or feelings so that you do not eat or drink too much, become too angry, etc.
Temperance is actually a factor that leads to self constraint so as to avoid being angry or taking too much drink.
Leanne still being able to calmly respond to George after his accusation is a classic example of temperance.