Concept:A man becomes infected when he eats undercooked meat containing the larval tapeworm cyst.Explanation:In this life cycle, the pig is the intermediate host.The tapeworm eggs hatch into oncospheres inside the animal's intestine.The oncospheres enter the muscles and develop into cysticerci.These cysticerci are the infective stage found in meat.A man is infected at the point when he ingests this infected or uncooked meat.That point is stage 5 in the cycle.Answer:C. 5
