In "The Glass of Milk," the boy thinks gratefully of the woman and intends to repay her till "these thoughts of gratitude vanished with the burning of his face." From this detail, what can readers infer about the boy's intentions? A. His regret at having eaten so quickly makes him forget his intentions. B. His shame at needing charity thwarts his intentions. C. His longing for his mother makes him regret his intentions. D. His confidence that he will find work reinforces his intentions.