Final answer:
When the Chick-fil-A cashier doesn't say "my pleasure" after you say thank you, it could lead to feelings of disappointment, indifference, or frustration. Correct option is A,B,D.
Step-by-step explanation:
When the Chick-fil-A cashier doesn't say "my pleasure" after you say thank you, it could lead to a feeling of disappointment, as it is a common phrase used by Chick-fil-A employees as part of their customer service culture. However, the specific emotional response will vary from person to person. Some people may feel a sense of indifference or frustration if they expected the cashier to say the phrase and were not acknowledged in that way.