(A) She is more pretty than her sister.
(B) She is prettier than her sister.
(C) None of these
(D) She is more prettier than her sister.
🧠 Explanation:
“She is prettier than her sister” is grammatically correct, using the comparative form. Studying this highlights grammar, a key topic in language studies. It ensures accurate sentence construction, with implications for clear communication in comparative contexts in writing or speaking.