[正答]
C
※国試ナビ4※ [112F028]←[国試_112]→[112F030]
[★]
B
※国試ナビ4※ [112F027]←[国試_112]→[112F029]
※国試ナビ4※ [112F029]←[国試_112]→[112F031]
.