[正答]
E
※国試ナビ4※ [105I021]←[国試_105]→[105I023]
[★]
A
※国試ナビ4※ [105I020]←[国試_105]→[105I022]
※国試ナビ4※ [105I022]←[国試_105]→[105I024]
.