______ there a pear on the table? No, there ______ some bananas on it. [ ]

A. Are; are

B. Is; is

C. Are; is

D. Is; are

病历摘要：胃溃疡女性，30岁，上腹部疼痛、返酸1年余，近一周加重。疼痛反复，秋冬季明显，餐后疼痛明显，下次进餐前缓解。查体：剑突下左侧轻压痛，腹部平软。行上消化道钡餐透视及照片检查。

诊断依据是什么？