The correct option is C Man
A parasite that lives on the surface of a host organism. Some are host specific like louse is the ectoparasite for humans. It sucks the blood from the humans. They usually spend their whole life on a single host, cementing their eggs, which are known as nits, to hairs or feathers. The eggs hatch into nymphs, which moult three times before becoming fully grown, a process that takes about four weeks.
So, the correct answer is option C.