In a Microsoft PowerPoint 2016 presentation, which of the following statements is correct about thePlay in Background feature?

Play in Background makes an audio file start automatically during a slide show and also makes the audio play across multiple slides. 

Play in Background makes an audio file start automatically during a slide show but does not make the audio play across multiple slides.

 Play in Background does not make an audio file start automatically during a slide show but makes the audio play across multiple slides.

Play in Background neither makes an audio file start automatically during a slide show nor makes the audio play across multiple slides.