Choose the correct option which can be used by females as injections or implants under the skin for contraception from the following:
$(i)$ Progestogens
(ii) Progestogen + estrogen combinations
(iii) Estrogen
(iv) Progestasert

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