The thing that makes Claudia feel she needs to run away at the beginning of the novel is D) She thinks her parents are being unfair. 
        
             
        
        
        
The book is written with an emphasis on objectivity,
voicing the opinions of many character but also making sure to balance
it with relevant counter-arguments. That balance isn't always provided
immediately, often arising organically from the perspective of another
character with a different background.