Refer to the Figure Shown

Refer to the figure shown.
Which statement offers the best explanation for the difference between the middle panel and the lower panel?

A) The membrane in the lower panel is producing a lower current.
B) There is a lower resistance in the lower panel at the point where voltage is measured.
C) There is a greater capacitance in the lower panel at the point where voltage is measured.
D) The membrane voltage measured in the lower panel is farther away from the current pulse.