Answer:
C.patience
Step-by-step explanation:
The correct option would be C.
Patience is one of the characteristics or core skills of a good customer service representative which entails being able to stay calm in the faces of undue provocation.
Ordinarily, an impatient person will get angry when provoked but a good customer service involves being able to tolerate insults and abuses without getting angry. Like the saying goes "customers are always right".