Write the next sentence in this paragraph:

How to hold newborn kittens 
If your cat has just had kittens, then the best thing to do is to leave your cat on her own for a while. 
Don't touch her or try to move her. Just give her about an hour to relax.

Pick your answer from:
I. After an hour, come back to see her and the kittens. They should all be born and clean by now.;
II. Because kittens sleep so deeply, a little rest is a nice thing to give her. You can also place the newborn kittens in their own room with a blanket or a towel.;
III. When your cat is calm enough to take a walk, don't initiate a play session yet. Wait until the cat has gotten used to walking, then start playing.;
IV. Bring her to a vet clinic where she can get checked for the test. This could be a puppy, a adult cat, or even a kitten.;
I.