We can infer from the 2000 Harvard report that ______.A.people can only improve their memo
We can infer from the 2000 Harvard report that ______.
A.people can only improve their memory by more sleep
B.sleep of only a few hours proves useless to improve memory
C.researchers didn't agree with the conclusion of the 1994 Israeli report
D.comparisons were made between subjects who slept and those who didn't