Identify the correct statements.
$(i)$ Somatic cells undergo mitosis,and germ cells undergo meiosis.
$(ii)$ During mitosis,$DNA$ replicates once for one cell division,and in meiosis,$DNA$ replicates twice for two cell divisions.
$(iii)$ Meiosis and mitosis are observed in organisms that reproduce both sexually and asexually.

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