Answer:
The old couple feels embarrassed that they have little to offer the young girl.
Step-by-step explanation:
This inference can be drawn from the excerpt by looking at the young girl's words and actions. She does not show any signs of dissatisfaction or impatience with the old couple's humble offerings. She smiles and thanks them for their kindness. She also declines to take anything more than what they can afford to give her. She expresses happiness and appreciation for their generosity.