3. How can parasitic worms enter your body! A. Eating well-cooked
B. Walking barefooted
C. Washing your hand before eating
D. Proper disposal of human and animal waste​

Parasitic worms are small animals which can live inside the body. Their eggs are taken into the body, usually by swallowing. The worms then hatch out of the eggs and live in the body. Some types of worm larvae (young worms) can also burrow their way into the body through the skin.

im 100% sure its all of the above.