[正答]
D
※国試ナビ4※ [109I027]←[国試_109]→[109I029]
[★]
B
※国試ナビ4※ [109I026]←[国試_109]→[109I028]
※国試ナビ4※ [109I028]←[国試_109]→[109I030]
.