[正答]
A
※国試ナビ4※ [105A001]←[国試_105]→[105A003]
[★]
C
※国試ナビ4※ [ ]←[国試_105]→[105A002]
D
※国試ナビ4※ [105A002]←[国試_105]→[105A004]
.