Quinn or Raina Will Be Valedictorian $\lor$ R)

Multiple Choice

Quinn or Raina will be valedictorian. Quinn's being valedictorian entails that she receives an A+ in Spanish. She doesn't receive an A+ in Spanish. So, Raina is valedictorian.
-Which of the following propositions is an immediate (one-step) consequence in PL of the given premises?

A) Q
B) ∼Q
C) S ⊃ Q
D) ∼(Q ⊃ S)
E) ∼(Q $\lor$ R)