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

How to catch ants
Set up your jar or container.
Collecting ants using bait is a relatively simple process that does not require a lot of time or energy. The majority of your time will be spent gathering and preparing your materials before you set your bait.

Options are:
i. Protect the jar or container you are planting the bait in from ants with a lid, or cover it with cloth while you set your bait. Poke holes in the lid and choose a position for the bait to adhere to..
ii. When selecting bait, be sure to have everything ready to go before laying your bait in your jar. The jar will work best with a carrier of bait, as ants can jump into a carrier and drown..
iii. Ants are attracted to sources of food, which are generally a combination of sugar and water. You'll also need a container to place your bait into, which can be any size, from a cup or glass to a gallon bucket..
iv. Observe the ants' arrangement in the jar or container. Determine the length, size, and thickness of your bait..
The answer is:
iii.