A Female Has a Blood Test

A female has a blood test. One mL of her blood is drawn, sspun in a centrifuge, and the plasma volume is measured and found to be 0.6 mL. Two months later the same patient returns to the doctor and, after doing another blood test, the doctor tells the patient that she has become anemic compared to her previous visit. Which of the following is most likely to be the woman's hematocrit on the second visit?

A) 35%
B) 50%
C) 70%
D) 100%
E) 0.6 mL