Match sexually transmitted diseases with their causative agents
`{:(,I,,II),((p),"Gonorrhoea",(i),HIV),((q), "syphilis",(ii),"Neisseria"),((r),"Genital warts ",(iii), "Treponema "),( (s), "AIDS" ,(iv),"Human papilloma virus "):}`
A. `a-ii,b-iii,c-iv,d-i`
B. `a-iii,b-iv,c-i,d-ii`
C. `a-iv,b-ii,c-iii,d-i`
D. `a-iv,b-iii,c-ii,d-i`