The correct option is C A- III, B- IV, C- II, D- I
Schistosoma, commonly known as blood flukes, are parasitic flatworms responsible for infection in humans termed schistosomiasis. Adult flatworms parasitize blood capillaries of either the mesenteries or plexus of the bladder. Hence, III is the correct match for A.
Fasciola hepatica, which is known as the common liver fluke or sheep liver fluke, is a parasitic trematode of the class Trematode, that infects the livers of various mammals. The disease caused by the fluke is called fasciolosis. Hence, IV is the correct match for B.
Paragonimus westermani is the major species of lung fluke to infects humans, causing paragonimiasis. Hence, II is the correct match for C.
Clonorchis is a liver fluke that can infect the liver, gallbladder and bile duct. Found across parts of Asia, it is also known as the Chinese or oriental liver fluke. Hence, I is the correct match for D.
So, the correct answer is option C.