During Which Phase of the Cardiac Cycle Is Ventricular Volume

During which phase of the cardiac cycle is ventricular volume lowest?

A) Atrial systole
B) Isovolumetric ventricular contraction
C) Rapid ventricular ejection
D) Reduced ventricular ejection
E) Isovolumetric ventricular relaxation
F) Rapid ventricular filling
G) Reduced ventricular filling (diastasis)