Multi-choice problem: Continue writing the next sentence in this paragraph:

How to deworm yourself
Monitor any itching in the abdomen that you feel.
If you have worms, you may feel an itching in your abdomen that is not normal. This itchiness occurs because the worms release toxins in your body that your immune system responds to like an allergic reaction.

Pick from: 1). Itching makes it harder for your body to fight off any pesticides or histamines that are released from the worms. The texture and taste of the food you eat also may change. 2). The more you check your abdomen for signs of disease, the better. If you have your vet do some basic testing to see if these symptoms are normal. 3). If a worm eats or chews on your belly, it will probably itch worse in the same way. Check if you experience a burning sensation in your abdomen. 4). Look for any rashes on your body. Like the itchiness you feel, another reaction that your immune system will produce is a rash.
4).