Considering the electrocardiogram (ECG) and the events of the cardiac cycle, the start of the T wave:(A) occurs before the start of ventricular contraction (i.e., before ventricular systole)(B) occurs during the contraction of the ventricles (i.e., during ventricular systole)(C) occurs after the completion of ventricular contraction (i.e., after ventricular systole) Checking your answer...