A Fraternity Brother Rationalizes the Fact That He Spends Very

A fraternity brother rationalizes the fact that he spends very little time studying by saying that he "doesn't want to peak too soon and have the test material become stale." You tell him that

A) he is probably overestimating his knowledge of the material.
B) if he devotes extra time to studying,his retention of the material will be improved.
C) the more often students review material,the better their exam scores.
D) all of these statements are true.