Question

Which sentence best summarizes this section?

Both the old man and the girl are blind, but neither one will reveal how their blindness really happened.
People think the daughter's blindness was caused by age; she won't reveal how it really happened.
People think the old man's blindness is caused by age; neither he nor his daughter will tell how it happened.
People think the old man lost his eyesight in a fight, but the daughter won't tell how it really happened.