MrsValdez Was Concerned That Her Daughter Was Not Getting Adequate

Mrs.Valdez was concerned that her daughter was not getting adequate sleep and that,as a result,her daughter was receiving failing grades and suffering from depression.Mrs.Valdez attended a meeting of other concerned parents.The coordinator of the meeting informed the parents that

A) adolescents are more mature and do not need as much sleep.
B) with increasing academic and social demands,adolescents are often leading their lives in something of a sleep-deprived daze.
C) adolescents are more mature than they were in previous years and they should know how much sleep they need.
D) there is no correlation between sleep and academic performance.