[正答]
CDE
※国試ナビ4※ [105A018]←[国試_105]→[105A020]
[★]
CE
※国試ナビ4※ [105A017]←[国試_105]→[105A019]
ACD
※国試ナビ4※ [105A019]←[国試_105]→[105A021]
.