Which sentence contains a subordinate clause used as an adverb?

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.

What is the primary purpose of this blog? to inform people about the new sports park to entertain people with details about the warbler to persuade people to protect the warbler to convince people to support the city council

Ihave only a christmas cards left to write. a. few b. fewer c. less d. little