单项选择题
Which of the following statements is NOT true?（）
A.The open field system provided a good opportunity to experiment. B.The open field system wasted land. C.The open field system was wasteful of labor and time. D.The open field system made livestock farming difficult.
单项选择题 Traditional farming involved the open field village,a system that dated back to the（）century.
单项选择题 The Peasant Uprising of 1381 did not direct against（）
单项选择题 Wat Tyler was killed by William Walworth,（）.
