5) Female,54 years old, with a history of gallstone for 8 years. Severe upper abdominal pain for 2 days radiating to the waist, accompanied by nausea and vomiting,and the blood amylase increased twice...

5) Female,54 years old, with a history of gallstone for 8 years. Severe upper abdominal pain for 2 days radiating to the waist, accompanied by nausea and vomiting,and the blood amylase increased twice The following most valuable check is() AAbdominal X-ray BUpper gastrointestinal barium meal CECG D Abdominal CT EEndoscopy