What does the term "peneplain" refer to in geomorphology?

(A) A nearly level landform created in the later stages of river erosion

(B) A landscape sculpted primarily by the erosive force of wind

(C) A coastal plain shaped by the continuous action of sea waves

(D) An area formed by the merging of several floodplains into a flat expanse

(E) An extensive, nearly level area that stands as the final result after prolonged erosion

Choose the correct answer from the following options: