What change does Harry first notice in the world around him? Dark they were and Golden-Eyed Comprehension Check

please answer

man vs. nature - first choice

b is the answer.   i sat on the lumpy sofa, totally exhausted, with a bad taste in my mouth, wondering what i should do next.  

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.