Answer:
Humorous.
Explanation:
Roald Dahl's has a humorous writing style for children. He is very creative when it comes to unique adjectives in his descriptive writing. Dahl also uses figure of speech in his writing, which compliments the different characters in his/her features.
Because his father has been ordered to relocate on the orders of the Fury (the Fuhrer, Adolph Hitler). Essentially, Bruno's father has been promoted to a Commandant position at Auschwitz, and this is why the family has to leave their house in Berlin.
The answer is most likely D! :)
Hope this helps!