Which of the following statements are wrong?
$(i)$ Leucocytes disintegrate in the spleen and liver.
$(ii)$ $RBC$,$WBC$ and blood platelets are produced by bone marrow.
$(iii)$ Neutrophils bring about destruction and detoxification of toxins of protein origin.
$(iv)$ The important function of lymphocytes is to produce antibodies.

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