In which one of the following, the genus name, its two characters and its class/phylum are correctly matched ?

In which one of the following, the genus name, its two characters and its class/phylum are correctly matched ?
A. `{:("Genus "," Two characters", "Class/phylum",),("(a) Salamandra ","(i) A tympanum represents ear","Amphibia",),(,"(ii) Fertilisation is external ",,):}`
B. `{:("Genus "," Two characters", "Class/phylum",),("(b) Pteropus","(i) skin possesses hair","Mammalia",),(,"(ii) Oviparous",,):}`
C. `{:("Genus "," Two characters", "Class/phylum",),("(c) Aurelia","(i) Cnidoblast","Coelenterata",),(,"(ii) Organ level of organisation",,):}`
D. `{:("Genus "," Two characters", "Class/phylum",),("(d)Ascaris","(i) Body segmented","Annelida",),(,"(ii) Males and females distinct",,):}`