This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to repair holes in drywall
Get a ready-made drywall patch.
These are available at big-box home centers and hardware stores. They use a peel-and-stick, metal-backed patch for added strength.

Select from the following. i. You can also wear gloves when working with a patch at home. Place a new patch on which you will do additional stretching and creating new jumps.; ii. Unfortunately, as tall as the current piece, they're not as sturdy. Plastic requires no support and a metal patch will leave gaps between the new piece and the old piece.; iii. If the hole was caused by a door knob or another object hitting the wall, a patch may hide the hole but it is not strong enough to hold up to another impact. Patching with a new piece of drywall will be a better solution.; iv. You'll need a large quantity of concrete, steel or vinyl. You'll also need a latex bond sealant to get rid of old caulk holes.;
The answer is:
iii.