單項選擇題

循環(huán)賽中,隊數(shù)為偶數(shù)時,輪數(shù)應(yīng)為()

A.(隊數(shù)-1)/2
B.輪數(shù)=隊數(shù)
C.隊數(shù)*(隊數(shù)-1)
D.隊數(shù)-1

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