某事故树的最小割集为：Kl＝{X1}，K2＝{X2，X3}，K3＝{X2，X4，X5}，则结构重要程度为。
（A）I(4)＞I(2)＞I(3)＞I(1)＝I(5)
（B）I(1)＞I(2)＞I(3)＞I(4)＝I(5)
（C）I(1)＞I(5)＞I(3)＞I(4)＝I(2)
（D）I(5)＞I(3)＞I(2)＞I(1)＝I(4)
参考答案
继续答题：下一题
（A）I(4)＞I(2)＞I(3)＞I(1)＝I(5)
（B）I(1)＞I(2)＞I(3)＞I(4)＝I(5)
（C）I(1)＞I(5)＞I(3)＞I(4)＝I(2)
（D）I(5)＞I(3)＞I(2)＞I(1)＝I(4)
