Solution:In his work, The Dialogic Imagination, Mikhail Bakhtin develops the theory of polyphony.
• Postulates that language is imaginary.
• Argues that language gets affected by the culture that produces it as it helps to shape that culture.
• The Dialogic Imagination, is a book on the nature and development of novelistic prose, comprising four essays by the twentieth century Russian philosopher and literary theorist Mikhail Bakhtin.
Hence, option (b) is correct.