Match List I with List II : \begin{array}{|l|l|l|l|}\hline & List I & & List II \\\hline A. & P wave & I. & Heart muscles are electrically silent. \\\hline B. & QRS complex & II. & Depolarisation of ventricles. \\\hline C. & T wave & III. & Depolarisation of atria. \\\hline D. & T-P gap & IV. & Repolarisation of ventricles. \\\hline\end{array} Choose the correct answer from the options given below :

• Correct answer
  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

Hence, the correct answer is option: 'A'.