—Did you hear that we would have _______ teaching building _______?

—Really? I'm happy to hear that. [ ]

A. another; built

B. other; built

C. another; build

D. other; building

患者，女性，19岁，腕、踝关节疼痛及脱发1年，今晨游泳时发现面部出现紫红斑，遂就医。查体：头发稀疏，面颊及颈部均有不规则圆形红斑，口腔有溃疡。

口腔溃疡如有细菌感染。以下措施正确的是

A．呋喃西林液漱口

B．碳酸氢钠液漱口

C．制霉菌素液漱口

D．生理盐水漱口

E．无菌蒸馏水漱口