It Is Not the Case That If Aesthetic Values Are $\lor$

Multiple Choice

It is not the case that if aesthetic values are objective, then we must treat them as such. So, aesthetic values are objective just in case it is not the case that we must treat them as such.
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

A) ∼(O $\lor$ T)
B) ∼(∼O $\lor$ T)
C) ∼(T ⊃ O)
D) ∼O ⊃ ∼T
E) ∼O $\lor$ ∼T