Choose the correct causes for the population growth.
$I$. Decline in death rate
$II$. Rapid increase in $MMR$ and $IMR$
$III$. Rapid decline in $MMR$ and $IMR$
$IV$. Increase in the number of people in the reproductive age group
$V$. Rapid increase in the death rate

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