For the Following Argument, Choose the The Best Candidate for an Implicit

Multiple Choice

For the following argument, choose the the best candidate for an implicit premise given the premises and conclusion provided. Your aim is to make the argument valid or forceful: P1) Bob will have a donut, only if he does not have a muffin
P2) _ C1) Bob won't have a donut.

A) Bob won't have a donut
B) Bob won't have a muffin
C) Bob will have a donut
D) Bob will have a muffin