Joachim raff and giacomo meyerbeer are examples of the kind of composer who receives popular acclaim while living, often goes into decline after death, and never regains popularity again.
(a) often goes into decline after death, and never regains popularity again
(b) whose reputation declines after death and never regains its status again
(c) but whose reputation declines after death and never regains its former status
(d) who declines in reputation after death and who never regained popularity again
(e) then has declined in reputation after death and never regained popularity