Respuesta :
Isaac responded suddenly because of the similarity of choices between the two about the bands or maybe because of the constant efforts made by Rocky to talk to Isaac.
Explanation:
The passage talks about two people whose names are Isaac and Rocky. In the passage, the author talks about the efforts made by Rocky to talk to Isaac and get to know him.
Isaac did not pay attention to any of the efforts made by Rocky but all of a sudden, he paid attention and decided to answer Rocky's questions. The response made suddenly could have been because of the similar choices of Rocky and Isaac for the musical bands. It might also have been because of the efforts made by Rocky.