What Is the Correct Breakdown and Translation of the Medical

What is the correct breakdown and translation of the medical term underlined in the health record below? Subjective
Reason for Consult: Jaundice, RUQ pain.
History of Present Illness: Ms. Renata Mendel is a 22-year-old woman well known to the gastroenterology service. She was initially diagnosed with ulcerative colitis 2 years previously. She had presented to her primary care provider at the time with a history of recurring bloody stools and constipation. The symptoms progressed to include fatigue and purulent rectal discharge, and she was referred to our clinic.

A) gastro (abdomen) + entero (intestines) + logy (study) = study of the abdomen and intestines
B) gastro (abdomen) + entero (stomach) + logy (study) = study of the abdomen and stomach
C) gastro (stomach) + entero (internal organs) + logy (study) = study of the stomach and internal organs
D) gastro (stomach) + entero (intestines) + logy (study) = study of the stomach and intestines