Before inserting the audio, which of the following must be ensured?

The correct answer indicates that the audio file should be in the Current Folder before inserting it into a PowerPoint presentation. This is essential because PowerPoint needs to access the audio file directly from its location on your computer or network drive. By placing the audio file in the Current Folder, you ensure that PowerPoint can easily locate and import the file without any issues.

When the audio file is in the Current Folder, it streamlines the process of adding audio to your presentation, minimizing the chance of errors such as file not found or broken links. This consideration is particularly important when creating presentations to be shared or presented on different machines, ensuring the audio remains intact.

The other choices would not facilitate the proper insertion of audio. For instance, having an audio file in the Recent Files list does not guarantee that it is accessible in the current working directory, and it won't be inserted without being in the correct folder. Linking from a web page would involve different steps entirely and might not work if the link becomes inactive or the web page is inaccessible. Lastly, having the audio file open in a separate application could lead to complications with format handling, and PowerPoint wouldn’t utilize the file as intended for it to play during the presentation. Thus, ensuring the audio file is