One. What is the book about?
Two. What is the theme of the book?
Three. How do you know this is the theme of the book?
Just some suggestions.
The reader can infer that Telemachos really cares about his father Odyesseus.
Since the climax is when the turning point of the story happens and makes a choice to solve the conflict I think that it is B
The detective looks for clues about who the thief might be! Sorry if I am wrong but I am confident this is the answer.
To tell readers what they are looking at and why is the image is relevant