[正答]
B
※国試ナビ4※ [109I012]←[国試_109]→[109I014]
[★]
A
※国試ナビ4※ [109I011]←[国試_109]→[109I013]
D
※国試ナビ4※ [109I013]←[国試_109]→[109I015]
.