Answer:
In the last sentence of this excerpt, Amy Tan's words reveal that she is embarrassed because she wants Robert to think she views the food as strange, and her father is revealing her true feelings about it.
Step-by-step explanation:
These lines show Amy Tan's embarrassed of who she really is and as she would like to pretend to be someone else at that moment, perhaps someone with more class and education, since she considers that was her father has pointed out about her is tacky and somehow uncommon and definitely not flattering in any person.