The most appropriate response to the question regarding how Oberon's soliloquy enhances the audience's experience in "A Midsummer Night's Dream" is:
The soliloquy gives the audience information that they would not have known otherwise, helping them understand and enjoy what happens next.
This choice highlights how soliloquies serve to provide insight into a character's thoughts and intentions, enriching the audience's understanding of the plot and the motivations behind Oberon's actions.