The Anti-Japanese War in 1937 and it eight years.
A. was broken out; lasted
B. broke out; lasted
C. break out; lasts
D. broke out; last
网友回答
A. was broken out; lasted
(答案→)B. broke out; lasted
C. break out; lasts
D. broke out; last
解析：句意“抗日战争在1937年爆发，持续了8年。”break out“爆发”，不用于被动语态，排除A，C项时态不对；and前后时态要保持一致，D项last不对。故选B。