Television lets us see history in the making. We can watch sports, political debates, trials and even wars ．
A. breaking out
B. broken out
C. being broken out
D. broke out
网友回答
(答案→)A. breaking out
B. broken out
C. being broken out
D. broke out
解析：考察非谓语动词。根据句子结构可知，该部分是状语。Break out 爆发 ，发生 无被动形式，故选择A