某男半小时前被热气灼伤两前臂，现局部疼痛剧烈，有散在水疱，个别破溃，基底部呈均匀红色、潮湿。其诊断是

A．面积约为9%的浅Ⅱ度烧伤

B．面积约为4.5%的Ⅱ度烧伤

C．面积约为9%的Ⅲ度烧伤

D．面积约为9%的Ⅰ度烧伤

E．面积约为9%的深Ⅱ度烧伤

I'd like to find some information about the Great Wall. Could you teach me ______ to search the Internet. [ ]

A. how

B. when

C. where

D. what