Patients with Malabsorption Syndromes, Such as Celiac Disease, Typically Experience

Patients with malabsorption syndromes, such as Celiac disease, typically experience neuropathy.The cause of the neuropathy is due to

A) loss of electrolytes such as potassium and sodium
B) high levels of sugar in the blood
C) breakdown of blood causing excess levels of bilirubin
D) vitamin B12 deficiency due to the lack of intrinsic factor
E) intolerance of lactose