Which of these statements describe correctly the basic assumption of Structuralism?

A. Structuralism is concerned with signs and signification.

B. A structuralist theory considers only verbal conventions and codes.

C. Structuralism began in the works of Jacques Derrida that influenced the 20th-century literary ciriticism.

D. Structuralism challenges the long-standing belief that literature reflects a given reality.

E. All signs are arbitrary but without them we cannot comprehend reality.

Choose the correct answer from the options given below: