1) Ringworm causes contagious fungal infection on the outer layer of skin.
2) Pinworm infection is an infection of the large intestine and anal area by a small, white parasite, pinworm. Pinworms are also called Threadworm due to their thread-like appearance.
4) Tapeworms are flatworms that can live in the intestines and cause infection.
So
the correct answer is A ‘Ringworm’.