Match the parts of the brain given in List-$I$ with their functions given in List-$II$.

List-$I$ (Parts of the brain)	List-$II$ (Functions)
$1$. Medulla oblongata	$p$. Body temperature
$2$. Hypothalamus	$q$. Olfaction
$3$. Cerebral cortex	$r$. Respiration
$4$. Limbic system	$s$. Motor function

Choose the correct option from the following:

• A
  $1-p, 2-r, 3-s, 4-q$
• B
  $1-q, 2-s, 3-r, 4-p$
• C
  $1-s, 2-p, 3-q, 4-r$
• D
  $1-r, 2-p, 3-s, 4-q$