32. A teacher notices that some students in her class remain silent during group discussions. To increase student participation, the teacher assigns specific roles (e.g., leader, note-taker, reporter) to each student. What is the main purpose of this activity? (A) To provide students with clear responsibilities during interaction. (B) To reduce the amount of teacher intervention in group work. (C) To ensure that all students are actively involved in the discussion. (D) To help students complete tasks more quickly and efficiently.