[正答]
A
※国試ナビ4※ [100B022]←[国試_100]→[100B024]
[★]
D
※国試ナビ4※ [100B021]←[国試_100]→[100B023]
※国試ナビ4※ [100B023]←[国試_100]→[100B025]
.