If Names Are Purely Referential and Do Not Have Descriptive

Multiple Choice

If names are purely referential and do not have descriptive content, then 'Fido' means Fido. If names do have descriptive content, then 'Fido' means my idea of Fido. But Fido does not mean my idea of Fido. Names are purely referential. So, 'Fido' means Fido.
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

A) F
B) ∼F
C) I
D) D
E) ∼D