Li Gang was required to apologize ________the people present at the meeting________what he had done.

A．for；by　

B．with；about

C．to；for　

D．at；with

深Ⅱ度烧伤的有（）。

A.损伤达真皮层，有皮肤附近残留

B.无水疱出现

C.疱底潮湿，均匀发红

D.痛觉迟钝，但拔毛有痛感

E.愈合后不留瘢痕