Which of the following are applicable to the term ‘Carnival’?
[A] It became important through the work of the Russian theorist Mikhail Bakhtin.
[B] It means the way in which popular humour subverts official authority in classical, medieval and renaissance texts and culture.
[C] It overturns the established hierarchy and sets up a popular and democratic counterculture.
[D] It brings out the serious elements in literature.
[E] It is used as a critical tool for interpretation of poetry.
Choose the correct answer from the options given below: