20. Which of the followings describes the flipped classroom?
(A) It is a type of blended learning that reverses the traditional learning environment by delivering instructional content, often online, out of the classroom.
(B) The teacher is typically the central focus of a lesson and the primary disseminator of information during the class period.
(C) Student engagement in activities in which they work independently or in small groups on an application task designed by the teacher.
(D) Class discussions are typically centered on the teacher, who controls the flow of the conversation