Match the items in Column I with Column II and choose the correct alternative.
`{:(Column I,Column II),(A."Calcitonin",(i)"Treatment of viral infection"),(B."Gonadotropin",(ii)"Treatment of rickets"),(C."Erythroprotein",(iii)"Enhancement of immune action"),(D."Interferon",(iv)"Formation of erythrocytes"):}`

Answer

D