A weight-loss clinic advertised that last month its patients, on average, lost 8lb. Assuming that average refers to the mean, which of the following claims must be true based on this information?
Note: More than one statement could be true. If none of the statements are true, mark the appropriate box.

(A) Two months ago some of their patients lost at least 8lb
(B) Last month at least one of their patients lost more than 2lb
(C) Last month at least one of their patients lost exactly 8lb
(D) Last month some of their patients lost 8lb or more.
(E) Last month, the number of their clients who lost 8lb or more was equal to the number of their clients who lost 8lb or less.
(F) None of the above statements are true.