Properties of leucocytes are:
$I$. They are nucleated.
$II$. They are denucleated like $RBC$.
$III$. They are $6000-8000 \; mm^{-3}$ of blood.
$IV$. They are long-lived.
$V$. They are short-lived.
Choose the appropriate option with correct properties.

• A
  $I$,$III$ and $V$
• B
  $II$,$IV$ and $V$
• C
  $I$,$IV$ and $V$
• D
  $I$,$III$ and $IV$