A.若显著性水平α=0.05时拒绝H0,则α=0.05时必拒绝H0
B.若显著性水平α=0.05时拒绝H0,则α=0.05时必接受H0
C.若显著性水平α=0.05时接受H0,则α=0.05时必拒绝H0
D.若显著性水平α=0.05时接受H0,则α=0.05时必接受H0