Answer:
Puzzle of the switched-off plug
Explanation:
It's the part of the sentence that doesn't really add up and it's confusing to read. I'm not too sure, but from what I researched figurative languages are 'a way of expressing oneself that does not use a word's strict or realistic meaning' . It also used to explain a complicated idea or to add a creative flourish to the language.
Apologies if my English is a little wacky, it isn't really my main language- but I hope this helped.
B. A book about how Harry Potter changed throughout the series
A character study is when one looks closely at a character. In option B, the character, Harry Potter, is being closely analyzed as a dynamic character. Option A is about technology, not a character. Option C is about the setting of Tolkein's books. Option D is about weather.
Organizing an outline would be your answer.