If Sheldon Writes a Paper, Then Using the Copier Is

Multiple Choice

If Sheldon writes a paper, then using the copier is a necessary condition for Yessenia reading it. Yessenia doesn't read it only if Sheldon doesn't write it. So, if Sheldon writes a paper, then he uses the copier.
-Which of the following other propositions is derivable from the given premises using any of the twenty-five rules of PL and either the direct or conditional methods of proof?

A) S ⊃ Y
B) ∼C ⊃ ∼S
C) S ⊃ ∼S
D) Options A, B, and C
E) Options A and B, but not option C