question: Q:A researcher measures action potential propagation velocity in various regions of the heart in a 42-year-old Caucasian female. Which of the following set of measurements corresponds to the velocities found in the atrial muscle, AV Node, Purkinje system, and venticular muscle, respectively?? 
  {'A': '2.2 m/s, 0.3 m/s, 0.05 m/s, 1.1 m/s', 'B': '1.1 m/s, 0.05 m/s, 2.2 m/s, 0.3 m/s', 'C': '0.5 m/s, 1.1 m/s, 2.2 m/s, 3 m/s', 'D': '0.3 m/s, 2.2 m/s, 0.05 m/s, 1.1 m/s', 'E': '0.05 m/s, 1.1 m/s, 2.2 m/s, 3.3 m/s'},