A.當(dāng)n為偶數(shù)時(shí),移動(dòng)后所得新數(shù)列較原數(shù)列首尾各缺n∕2項(xiàng) B.當(dāng)n為奇數(shù)時(shí),移動(dòng)后所得新數(shù)列較原數(shù)列首尾缺(N-1)∕2項(xiàng) C.當(dāng)n為偶數(shù)時(shí),移動(dòng)后所得新數(shù)列較原數(shù)列首尾缺n項(xiàng) D.當(dāng)n為奇數(shù)時(shí),移動(dòng)后所得新數(shù)列較原數(shù)列首尾缺n項(xiàng)