Although the Wars of the Roses were waged intermittently for ___

Although the Wars of the Roses were waged intermittently for _______ years，ordinary people were little affected and went about their business as usual.
A、twenty
B、thirty
C、forty
D、fifty
【正确答案】：B
【题目解析】：【考点点击】本题主要考查英国玫瑰战争。
【要点透析】英国玫瑰战争的起止时间是1455年至1485年。战争断断续续地进行了30年，但对普通民众的生活几乎未产生影响。P110