A Patient with Severe Crohn's Disease Undergoes Resection of Her

A patient with severe Crohn's disease undergoes resection of her terminal ileum.After recovering from the surgery,she develops chronic diarrhea that is treated effectively with cholestyramine (a resin that can bind bile acids) .If her Crohn's disease has not recurred,the diarrhea in the patient can probably be attributed to loss of which of the following membrane proteins?

A) Sodium-glucose linked transporter 1 (SGLT1)
B) Cystic fibrosis transmembrane conductance regulator (CFTR)
C) Electrogenic Na⁺/HCO₃^- cotransporter 1 (NBC1)
D) Na⁺,K⁺-ATPase
E) Apical sodium-dependent bile acid transporter (ASBT)