[正答]
B
※国試ナビ4※ [100E030]←[国試_100]→[100E032]
[★]
D
※国試ナビ4※ [100E031]←[国試_100]→[100E033]
※国試ナビ4※ [100E029]←[国試_100]→[100E031]
.