[正答]
C
※国試ナビ4※ [105E019]←[国試_105]→[105E021]
[★]
B
※国試ナビ4※ [105E018]←[国試_105]→[105E020]
E
※国試ナビ4※ [105E020]←[国試_105]→[105E022]
.