[正答]
A
※国試ナビ4※ [109D002]←[国試_109]→[109D004]
[★]
D
※国試ナビ4※ [109D001]←[国試_109]→[109D003]
※国試ナビ4※ [109D003]←[国試_109]→[109D005]
.