[正答]
C
※国試ナビ4※ [104I029]←[国試_104]→[104I031]
[★]
B
※国試ナビ4※ [104I028]←[国試_104]→[104I030]
D
※国試ナビ4※ [104I030]←[国試_104]→[104I032]
.