Which sentence should be rewritten to eliminate a sentence fragment error?
a . lemur species are still being discovered today in the rainforests of madagascar.
b. though they are marsupials, they are found only in madagascar, an island nation that seperated from the rest of africa many millions of years ago.
c. lemurs are a rare and unusual species.
d. ranging in size from the tiny, aptly named mouse lemur to the indri, which stands over two feet tall and is famous for its wailing cry.