Match the following columns:

Column $- I$	Column $- II$
$a$. Bicuspid valve	$p$. Brain
$b$. Nephron	$q$. Liver
$c$. Alveoli	$r$. Heart
$d$. Cerebrum	$s$. Kidney
	$t$. Lungs

• A
  $a-s, b-r, c-p, d-t$
• B
  $a-r, b-t, c-s, d-p$
• C
  $a-r, b-s, c-t, d-p$
• D
  $a-s, b-q, c-p, d-t$