I believe that the answer is D, I hope it helps!
I think its D? I don't think its A because just because people attend concerts once in while, doesn't show effectively how much the classmates listen to, on average, each day. I don't think its B because some people might not know how long they listen to music each day, and plus, its not efficient to ask each person manually. I don't think its C because you might not see them listening to music at least sometimes, so it wouldn't be very accurate. So, by process of elimination, I think its D...
Hope this helps.
Answer:
listening
Explanation:
because if you dont understand english then you cant speak it, read, etc
so if you can listen then you will be able to understand
hope that helps bby<3
Answer:
D, my mother's hands were all dusty with white flour
