Match List $I$ with List $II$ :

List $I$	List $II$
$A$. $P$ wave	$I$. Heart muscles are electrically silent.
$B$. $QRS$ complex	$II$. Depolarisation of ventricles.
$C$. $T$ wave	$III$. Depolarisation of atria.
$D$. $T-P$ gap	$IV$. Repolarisation of ventricles.

Choose the correct answer from the options given below:

• A
  $A-III, B-II, C-IV, D-I$
• B
  $A-II, B-III, C-I, D-IV$
• C
  $A-IV, B-II, C-I, D-III$
• D
  $A-I, B-III, C-IV, D-II$