The Name Trisodium Phosphate Is Incorrect for the Compound Na₃PO₄

The name trisodium phosphate is incorrect for the compound Na₃PO₄ because:

A) this compound should be called trisodium monophosphate.
B) the sodium has a negative 3 charge.
C) you cannot use a prefix for the first element in a molecular compound.
D) you cannot use a prefix for the first element of an ionic compound.
E) none of the above