The answer is D: He doesnt want Lennie to be tempted by her.
In the introduction but it depends where you think your thesis would make your essay more understandable.
The correct answer is C. a weakness in a central character of high rank and personal quality.
A flaw is some bad characteristic that people have, so it cannot possibly be a strength - therefore, options B and D are incorrect. Tragic flaws are usually about protagonists, main characters, because minor characters are not as important. Tragic flaw is some characteristic of the protagonist that makes him/her do something that will result in a tragedy.
