After Assisting a Patient to the Bathroom, a Nurse Notices

After assisting a patient to the bathroom, a nurse notices that the patient's stool is clay colored. Upon questioning, the patient tells the nurse that this has been a problem off and on for the last month or two. The nurse suspects the patient

A) Is not eating a well-balanced diet.
B) May have gallstones or liver problems.
C) Has a history of gastrointestinal (GI) bleeding.
D) Is not drinking an adequate amount of fluids.