Read the excerpt from Eighty Years and More: Reminiscences, 1815-1897.

How well I remember my joy in receiving that prize. There was no sentiment of ambition, rivalry, or triumph over my companions, nor feeling of satisfaction in receiving this honor in the presence of those assembled on the day of the exhibition. One thought alone filled my mind. "Now," said I, "my father will be satisfied with me."

Based on the excerpt, which question would best help the reader understand Stanton’s view of her achievement?
A. Who was Stanton’s rival at the academy?
B. How did Stanton win a prize?
C. Whose opinion matters to Stanton?
D. Why was Stanton offered a prize?