Which of the following is true about listening comprehension?
(A) A task for extensive listening performance aims to develop a global understanding of spoken language.
(B) Listening is merely a passive process of receiving sound waves through the ear and transmitting nerve impulses to the brain.
(C) Top-down listening technique proceeds from sounds to words to grammatical relationships to a final message.
(D) As long as the teacher provides great quantities of input in the classroom, students can automatically convert the input into intake.