He tells Percy the story about the tree and a girl named Thalia. The story was that Thalia, Annabeth and other half bloods where exploring outside of the half blood camp. But then monsters came out of nowhere and started fighting them. They tried to fight the monsters but they weren’t strong enough. So Thalia protected them and risked her own life to save them. But thalia died and Zeus her father grew a tree in her honor, and the tree provided a barrier for the camp to keep them safe. :-)
Answer:
A. She remembers meeting some who had been blinded.
Explanation:
Mrs. Farquar is telling how the injured child remember her to natives she saw, that has “no sight in their eyes” they were blind, and this was due to the “spitting of a snake”, the poison of the snake left the natives without sight, and in this part she remembers meeting those natives.