Which of the following would be most in keeping with her disease?

A woman with known abetalipoproteinaemia was reviewed in the clinic.
Which of the following would be most in keeping with her disease?
A Albumin 28 g/l (normal range 37–49 g/l)
B Calcium 2.29 mmol/l (2.2–2.6 mmol/l)
C Ferritin 6 μg/l (15–300 μg/l)
D Folate 0.8 μg/l (2–11 μg/l)
E Prothrombin time 18 s (< 12 s)