21. It is difficult to distinguish between the things that charismatic figures do

____ and those that are carefully contrived for effect.
(A) formally
(B) publicly
(C) prolifically
(D) spontaneously
(E) willfully

22. The development of containers, possibly made from bark or the skins of
animals, although this is a matter of ____, allowed the extensive sharing of
forage foods in prehistoric human societies.
(A) record
(B) fact
(C) degree
(D) importance
(E) conjecture

DAEEE CEBCB DE