The essence of hemorrhoids is the mass formed by arterial varicose

A<br/>70-year-old male patient was diagnosed with hemiplegia and coma and<br/>subsequently developed hematemesis. Black stools were most likely<br/>caused by: A: Gastric<br/>ulcer B: duodenal bulb ulcer C: Gastric cancer D: Cirrhosis esophagus gastric fundus varicose rupture hemorrhage E: Acute<br/>erosive gastritis