The purpose of peer review as an important strategy for improving student's writing process must be

Correct option is B

to offer formative feedback to their peers which further helps them to improve their drafts.
Peer review is a collaborative learning technique that helps students understand their strengths and weaknesses as writers through feedback from their peers. The purpose is not to find faults for the sake of criticism but to provide constructive, formative feedback that helps each student improve their work. This process encourages a deeper understanding of writing as a craft and fosters a supportive learning environment where students learn from each other.