Can the Venn Diagram of Any One Categorical Proposition Have

Can the Venn diagram of any one categorical proposition have an entire circle shaded out?

A) No, because that would mean that the term has no referents.
B) No, because a circle has two regions and a single proposition could only shade out one.
C) No, because that would mean that everything that exists is a referent of the other term.
D) Yes, because a universal proposition is about the entire subject circle.
E) Yes, because one of the terms might not have any referents.