I think I would choose D but I’m not really sure
Answer: This passage from Chapter 31 is Scout's exercise in thinking about the world from Boo Radley's perspective.
The simile in the passage is in the sentence “He strained his eyes in the direction from which the reports had come, but it was like trying to see through a blanket.”
it is saying that he couldn’t see anything, which is why it is being compared to seeing through a blanket.