[正答]
C
※国試ナビ4※ [102H017]←[国試_102]→[102H019]
[★]
D
※国試ナビ4※ [102H016]←[国試_102]→[102H018]
※国試ナビ4※ [102H018]←[国試_102]→[102H020]
.