—The water was running all night long.

—Yes. It seemed that John ______ . He was the last one to leave the lab.

A．was to be blamed

B．was to blame

C．had been blamed

D．should be blamed

（62-65题共用题干）　　女性，35岁，连续3年每年3～4月份下唇及舌背粘膜即开始溃烂，唇部结厚血痂，张口受限，进食困难。同时双手、双上肢皮肤起疱。在外院短期服强地松后症状逐渐好转，自愈。此次发作2周，与以往表现类似，口腔溃烂范围广泛，疼痛明显来诊

病情严重者宜选用哪种药物治疗

A．静脉滴注葡萄糖液3000ml

B．给予多种维生素

C．口服强地松，剂量服用时间视病情而定

D．口服扑尔敏或息斯敏

E．口腔局部对症治疗