Can a Concept Be a Value

Multiple Choice

Can a concept be a value?

A) Yes, because concepts cannot be variables.
B) Yes, because the variable of which the concept is a value could be the concept's genus.
C) No, because only referents can be values.
D) No, because concepts can only be variables.
E) No, because then there would be no other values for the variable, so it wouldn't be a true variable.