Correct Answer: CEWhen an employee cannot access a non-Google file in Google Drive, it is essential to follow basic troubleshooting steps. First, the employee should check the size of the document to ensure it is not close to Google's file size limits, as very large files can cause access issues. Second, instructing the employee to clear their browser cache can resolve many browser-related problems affecting the Google Drive interface. These steps are effective because they address common issues like excessive file size and corrupted cache data that can impede file access.