Given the Following Components of the Cardiac Conduction Cycle, Which

Given the following components of the cardiac conduction cycle, which one of the following best describes the movement of the stimulus that causes a heart contraction? A. atrioventricular bundle
B) sinoatrial node
C) atria
D) atrioventricular node
E) Purkinje fibers
F) ventricles

A) B, C, D, A, E, F
B) B, D, A, C, E, F
C) D, A, E, F, B, C
D) A, D, E, B, C, F
E) B, C, D, F, A, E