[正答]
E
※国試ナビ4※ [103I019]←[国試_103]→[103I021]
[★]
AD
※国試ナビ4※ [103I018]←[国試_103]→[103I020]
A
※国試ナビ4※ [103I020]←[国試_103]→[103I022]
.