What happens next in this paragraph?

How to extend the life of your iphone or ipad
Get a screen protector.
You may think it is not necessary. Your screen may not get scratched or visibly damaged in any way without one.
Choices:
(A). However, if you don't already have a screen protector (a plastic cover over the screen or similar), you will need one now. The screen protector may come with its own clip-in cartridge.
(B). The screen protector allows for more air to get through, while also preventing dust from touching your screen. You can purchase screens that come with screen protectors for less than $20.
(C). But the constant tapping and stroking of the device does wear down the innards over time. The screen protector helps absorb up to 50% of this impact.
(D). Protect your screen by setting up an integrated screen protector, such as the. This screen protector protects your screen from damage.
(C).