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

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) Superman and Clark Kent are the same person P2) Lois Lane loves Superman P3) _ C1) Lois Lane doesn't know that she loves Clark Kent

A) Superman is not really Clark Kent
B) Lois Lane doesn't know that Superman is Clark Kent
C) If Lois Lane loves Superman, then Lois Lane loves Clark Kent
D) Lois Lane knows that Superman is not Clark Kent