The most fitting response to explain how Oberon’s soliloquy enhances the audience’s experience of the play is:
The soliloquy gives the audience information that they would not have known otherwise, helping them understand and enjoy what happens next.
This option highlights the fact that Oberon's soliloquy reveals his plan and intentions regarding Titania and sets up the comedic and dramatic events that will unfold, thereby enriching the audience's understanding of the plot and character dynamics.