Which equation defines the quality of a steam in the given P-V diagram ?

A

$$\frac{\overline{AC}}{\overline{AB}}$$

B

$$\frac{\overline{AB}}{\overline{AC}}$$

C

$$\frac{V_{av}+V_{f}}{V_{fg}}$$

D

$$\frac{V_{fg}+V_{f}}{V_{av}}$$