When the securities laws of a member's country of residence are stricter than those of a country where the member does business but less strict than the Professional Conduct Standards, the member is required to adhere to:（）

A. the Professional Conduct Standards.

B. the laws of the country where the member does business.

C. the stricter of the laws of the country and the laws of the country where the member does business.

女性患者，57岁，既往反复出现右上腹隐痛，伴右肩部酸胀感。进食红烧肉10h后出现上腹部剧烈持续性疼痛，向腰背部呈条带状放散，伴腹胀及恶心呕吐。查体：血压120/70mmHg，脉搏94/min，呼吸19/min，巩膜轻度黄染，腹平软，上腹部压痛(+)，无肌紧张和反跳痛，肝区叩痛 (+)。化验血清淀粉酶1200U，超声显示胆囊结石，胰腺来见异常。该患临床诊断为

A．急性胆囊炎

B．慢性胆囊炎急性发作

C．胆源性急性胰腺炎

D．急性胰腺炎

E．急性肠梗阻