We would like to know more. Go here: https://www.youtube.com/features > Click on monetization and share the screenshot of the page that you see. This would help us look into the issue better!
Now that the backlog is cleared, we’ll be reviewing applications much more quickly. So long as you meet the eligibility & program thresholds, you can expect to hear back in a month or so. Note: all applications are still manually reviewed, so it does take a bit of time.