It means that the vibe of the church have him a sense of foreboding, meaning he could feel something bad was about to happen. Spiderwebs just add to the creepiness, making him feel uncomfortable in the church.
I loved both the book and movie of the Outsiders ;w;
Answer: When Ponyboy and Johnny first approach the church, Ponyboy feels that it's a creepy place, and he has a sense that something bad will happen there. He repeatedly describes it as an old, spiderwebby place that makes him feel scared.
B. I would assume. I say this because I don't think it would be spatial; chronological could be it, but that isn't always fun. Order of importance gets the story told. I could be C, but I think it's B.