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【单选题】
在一个无,如果任意两点之间都存在路径相连,则称其为连通图。右图是一个有 5 个顶点、8 条边的连通图。若要使它不再是连通图,至少要删去其中的( )条边。A.
2
B.
3
C.
4
D.
5
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A.
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B.
Two major factors are considered important.
C.
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D.
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