单项选择题

A.SegmentA:131.107.40.0/23  SegmentB:131.107.42.0/24  SegmentC:131.107.43.0/25  SegmentD:131.107.43.128/27
B.SegmentA:131.107.40.0/25  SegmentB:131.107.40.128/26  SegmentC:131.107.43.192/27  SegmentD:131.107.43.224/30
C.SegmentA:131.107.40.0/23  SegmentB:131.107.41.0/24  SegmentC:131.107.41.128/25  SegmentD:131.107.43.0/27
D.SegmentA:131.107.40.128/23  SegmentB:131.107.43.0/24  SegmentC:131.107.44.0/25  SegmentD:131.107.44.128/27