–Mr Green can we do to protect ourselves when facing dangerous attackers in public places?

问题补充：

–Mr Green,can we do to protect ourselves when facing dangerous attackers in public places?

–Always remember “run, hide and fight” when you are in danger.

A. what

B. how

C. where

D. which

答案：

(答案→)A. what

B. how

C. where

D. which

解析：句意:-Green先生，当在公共场合面临危险的袭击者的时候，我们该怎样做来保护我们自己呢？-当你遇到危险的时候，一定要记住“跑，藏，还击”。what 什么；how 怎样；where 在哪里；which 哪一个。根据句意可知，是做什么来保护自己，故选A。