[正答]
C
※国試ナビ4※ [112B021]←[国試_112]→[112B023]
[★]
D
※国試ナビ4※ [112B022]←[国試_112]→[112B024]
A
※国試ナビ4※ [112B020]←[国試_112]→[112B022]
.