In a tiny village, on the coast of South America, early inhabitants used sea shells, as money. Some of these shells were very beautiful and fragile. Everyone agreed that the shells were valuable and the people utilized them in much the same way we use money today. The fragility of the shells and the fact that a shell is difficult to split into smaller denominations would make these sea shells unfit to act as money today because sea shells could not act as a:

A) A valuable form of currency

B) Store the Value

C) Unit of Account

D) Meduim of Exchange