Choose the correct option for the following statements:
$(i)$ Metamerism is a characteristic feature of $Annelida$ / $Arthropoda$.
$(ii)$ Internal buds in sponges are called $Gemmules$ / $Gemmi$.

• A
  $Annelida, Gemmules$
• B
  $Arthropoda, Gemmi$
• C
  $Annelida, Gemmi$
• D
  $Arthropoda, Gemmules$