[正答]
D
※国試ナビ4※ [107I048]←[国試_107]→[107I050]
[★]
B
※国試ナビ4※ [107I047]←[国試_107]→[107I049]
※国試ナビ4※ [107I049]←[国試_107]→[107I051]
.