My brother never talked about climbing because he knew that wasI got injured.A. whatB. w

问题补充：

My brother never talked about climbing , because he knew that wasI got injured.

A. what

B. when

C. how

D. where

答案：

A. what

B. when

(答案→)C. how

D. where

解析：考查表语从句的连接词。表语从句How I got injured的结构很完整，排除A；句意：我的兄弟从来都谈论登山，因为他知道那就是我怎么受伤的。