Final answer:
The narrator's comment that she "almost jumped out of my scalp" reveals a strong sense of surprise or shock, indicating that her mother's response was unexpected and startling.
Step-by-step explanation:
The phrase "almost jumped out of my scalp" suggests a strong emotional reaction from the narrator. Considering the provided excerpts, we see various characters experiencing sudden emotions or being caught off guard. In the context of the statement, it indicates that the narrator experienced a strong sense of surprise or shock. Therefore, the most appropriate answer is:
A. She is shocked by her mother's response.
This description of physical reaction conveys an intense emotional response to an unexpected event or revelation, aligning with the feeling of being shocked. It does not suggest that she is upset over being interrupted, worried about her mother's feelings, nor does it imply a change of mind about a confrontation.