[正答]
D
※国試ナビ4※ [097E018]←[国試_097]→[097E020]
[★]
B
※国試ナビ4※ [097E017]←[国試_097]→[097E019]
※国試ナビ4※ [097E019]←[国試_097]→[097E021]
.