We can infer from the passage that______.A.the teenagers'brain can't get a good rest becau
We can infer from the passage that______.
A.the teenagers'brain can't get a good rest because of "junk sleep"
B.the teenagers have eaten too much junk food which is bad for their health
C.the teenagers'parents shouldn't buy too many electronic gadgets for them
D.it is good for teenagers to listen to music while sleeping