Final answer:
After months of silence, a small yet significant change occurs in Sohrab; a shift symbolizing hope, foreshadowing a personal or relational breakthrough.
Step-by-step explanation:
The small, wondrous thing that happened after months of Sohrab not speaking was subtle yet impactful. It is expressed as a moment of recognition or a breakthrough, a glimmer of hope following a prolonged silence, symbolized by the change in the character's demeanor or environment, though not explicitly stated within the excerpts provided. The complexity of human emotions and the connection between characters is a foundation upon which many narratives build significant plot developments or character transformations.