What is a plus or minus score used for in english

Which type of novel is characterized by complex characters, often with mixed motives, rooted in a highly developed social structure? a. gothic b. realistic c. psychological d. historical

What is wong with this 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.

"ten from the sea to the sand he walks,to look in the soil, but not in the box''!