Respuesta :
c.) has developed a unique musical style.
In this excerpt we see that he had been “underground” (or away from mainstream society) when he wrote his songs.  Because of his asocial tendency, he was not influenced by society and was able to develop a musical style that was uniquely his own and was original because he would not even have been subconsciously influenced which made his music “pure.”
Answer:
d.) was confused by having gone unnoticed for so long.
Explanation:
Scotty used to sing in a band in the past, but he stopped playing and went unnoticed. The narrator is expressing this idea when he says that  he had never come out in a newspaper - had never had a page- ; Scotty had never had a profile-  a professional one- ; he was not present in anyone's life -of no one’s data -. In fact, he was forgotten.