Performing at her sales job was tiring, no matter how she felt she had to put on a big what?
Options:
- persona
- smile
- laugh
- act
- singing
Let's think carefully first. Step-by-step reasoning process:
People tend to mask their emotions during work. Sales is a type of job where one needs to interact with customers. Salesmen and women are trained to smile while talking for a pleasant customer experience. So the final answer is smile.