患者，女，40岁，因外阴白色病变行外阴活检，病理报告：VIN Ⅲ级。指下列哪种情况

A．外阴鳞状上皮增生

B．外阴硬化性苔藓

C．外阴上皮中度不典型性增生

D．外阴上皮轻度不典型性增生

E．外阴重度不典型性增生和原位癌

—What should we pay more attention to if we go out for a mountain camp.

—Nothing special. Take a special pair of glasses ______the wind there is strong and cold.

A．now that

B．in case

C．providing that

D．so long as