[正答]
D
※国試ナビ4※ [107I021]←[国試_107]→[107I023]
[★]
B
※国試ナビ4※ [107I020]←[国試_107]→[107I022]
A
※国試ナビ4※ [107I022]←[国試_107]→[107I024]
.