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

How to give cat milk to your cat 
Use specially formulated milk. 
Specially formulated cat milks are lactose-free. Choose a cat milk that is enriched with taurine-an essential amino acid that is required for heart and eye health.

pick from the following.
[i] Using quality milk ensures that the milk is well-formulated. This is one of the first steps to increase nutrition for kittens..
[ii] Give your cat your plain taurine-this is specifically formulated for cats due to lactose content; do not try pet store brands or superstores containing soy or dairy milks. Multi-ingredient ingredients such as black beans, peas, lentils, brown sugar, and fruit also matter..
[iii] You can find specially formulated milks at your local pet store, or ask your veterinarian. Because the majority of adult cats are lactose intolerant, do not give your cat cow's milk..
[iv] Consider purchasing a cat milk hybrid made from soy milk. Soy milk combined with other ingredients will produce dairy milk that is fortified with animal fat..
The answer is:
[iii]