THE FOLLOWING DIAGRAM APPLIES TO THE FOLLOWING QUESTIONS
$\mathrm{A}$ B) $\mathrm{B}$

THE FOLLOWING DIAGRAM APPLIES TO THE FOLLOWING QUESTIONS

-During which labeled wave or segment of the electrocardiogram (ECG) are both the atria and the ventricles completely repolarized?

A) $\mathrm{A}$
B) $\mathrm{B}$
C) $\mathrm{C}$
D) $\mathrm{D}$
E) $\mathrm{E}$