Answer:
C). He travels to visit Roderick Usher at Usher's family home.
Explanation:
'The Fall of the House of Usher' penned by Edgar Allan Poe explores the theme of 'madness, isolation, family, and supernatural/metaphysical identities. The story begin on the note when the unnamed narrator reaches at his friend, Roderick Usher's family home as the latter had written a letter to him discussing his illness and asking the narrator for his help. All the other events(listening to Roderick Usher's guitar improvisations, travelling with him at his family home, burying of Roderick's sister Madeline, etc.) take place post this incidence. Thus, option C is the correct answer.