"Because she loves them" is a sentence fragment.
The irony shows that although the Monster is depicted as a monster, it is actually Victor who is the true monster due to everything he has done and the way that he dealt with consequences. The monster is described so as to instill fear, but is not really monstrous in its behavior.
Vachel Lindsay was a famous poet who was responsible for Langston Hughes' major career breakthrough. Through his appreciation of Hughes' works, he was able to help him publicized his works. He had a scholarship at Pennsylvania's Lincoln University due to Lindsay's support.
The correct answer is Jerry.
Since Kevin and Mark eat carpool with the manager, that means that neither of them is the manager.
That leaves two options: Jerry and Tom. But later on, we are told that Tom watches TV with the manager.
Therefore, the only possible answer is Jerry.