Answer:
d.) was confused by having gone unnoticed for so long.
Step-by-step 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.