[正答]
E
※国試ナビ4※ [105H018]←[国試_105]→[105H020]
[★]
B
※国試ナビ4※ [105H017]←[国試_105]→[105H019]
A
※国試ナビ4※ [105H019]←[国試_105]→[105H021]
.