The scientific name of the lung fluke of man is :

Question

$\begin {array} {1 1} (1)\;Hymenolepis\: nana & \quad (2)\;Schistosoma\: haematobium \\ (3)\;Pargonimus\: vestermani & \quad (4)\;Echinococcus\: granulosus \end {array}$