40.Which characteristic best describes the task-based language teaching? (A) The tasks are meaningful and relevant so that the students see the reason for doing the task. (B) A pre-task phase takes place to reinforce students’ learning or to address any problems that many have risen. (C) A teacher can introduce the students to the language they will need to complete the task during the post-task phase. (D) A follow-up to a communicative task involves teaching strategies and study skills for preparing students for an exam.