Answer:
It reveals Tan’s reflections on judging her own mother because of her English.
Step-by-step explanation:
This is the central idea that the detail develops. In these lines, we learn about the feelings Tan has for her mother, and her way of speaking English. She reflects on how her mother's speech limited her perspective and understanding of her as a person. Therefore, we learn that Tan is reflecting on judging her own mother because of her English.