[正答]
C
※国試ナビ4※ [104I026]←[国試_104]→[104I028]
[★]
BC
※国試ナビ4※ [104I025]←[国試_104]→[104I027]
AC
※国試ナビ4※ [104I027]←[国試_104]→[104I029]
.