What happens next in this paragraph?

How to turn off facebook messenger notifications 
Open the settings tab in messenger. 
You can adjust some of your notification settings directly in the messenger app. Tap the " settings " tab in the lower-right corner to get started.
pick from the following.
 (A). Scroll down the settings menu to see all of the topics you want to ignore. These topics are marked by checkboxes (four squares at the bottom of the menu) that you can enable and control.
 (B). Tap " notifications " in the settings tab. This will open the messenger notification settings.
 (C). Toggle " screen notifications " on. You'll be receiving different notifications, and you'll be toggling on all of them simultaneously.
 (D). You can also change the settings of everyone on facebook if you don't have messenger notifications set to " off " or " auto. " select " notifications " to set the changes.
(B).