I WILL MARK SMARTEST HELP!!

What is the problem with the following sentence: cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

Sitting near the front of the classroom

Read the excerpt from the “thing about terry” which best describes how th pacing of events heightens tension?