Which detail from the passage supports the answer in Part A?

A "Pooh! Mother, the first lesson ain't much. I've got to practice." (paragraph 4)

B "That-and that-and from there to there,' said Penelope, indicating with a pink forefinger certain portions of the page before her." (paragraph 6)

C "Penelope's cheeks grew pink, but her fingers did not falter." (paragraph 12)

D "Well-I- I learned the notes in school,' she finally acknowledged, looking sidewise at her mother." (paragraph 15)

SOMEONE help!​