(B) is incorrect because even though the quote could be used to describe the reaction of some of the listeners to his music, the author goes on to say that his music is characterized by changing and evolving style, thus it is not an accurate overall account of his music. (D) is accurate because the quote is attribute to a critic deceiving Beethoven but Beethoven's works eventually became popular and elevated him to the status of a cultural icon, thus even though his music seemed "alienating" to the critics at first, this perception changed over time.
