Male, 19 years old, experienced a sudden pain around the umbilicus, which was progressively aggravated and gradually turned to the right lower abdomen, accompanied by nausea and vomiting and local tenderness in the right lower abdomen.Most likely:
选项：

A:acute appendicitis
B:pulmonary abscess
C:acute cholecystitis
D:bronchial asthma
E:acute gastric perforation