Which of the following statements are correct?
$(i)$. Genus comprises a group of related species.
$(ii)$. Taxon represents a taxonomic group of individual organisms.
$(iii)$. Family comprises a group of related genera.
$(iv)$. Taxonomic category class includes related orders.

• A
  $(i), (ii)$,and $(iv)$
• B
  $(ii)$ and $(iv)$
• C
  $(i), (iii)$,and $(iv)$
• D
  $(ii), (iii)$,and $(iv)$