Identify the electrical events associated with a normal electrocardiogram.

A) P wave represents atrial depolarization, QRS complex represents ventricular depolarization, and T wave represents ventricular repolarization.
B) P wave represents ventricular depolarization, QRS complex represents atrial depolarization, and T wave represents atrial repolarization.
C) P wave represents ventricular repolarization, QRS complex represents atrial depolarization, and T wave represents ventricular depolarization.
D) P wave represents atrial depolarization, QRS complex represents atrial repolarization, and T wave represents ventricular depolarization.