单项选择题

A.(梁净跨长-加密区长度*2)/箍筋非加密区间距向上取整
B.(梁净跨长-加密区长度*2)/箍筋非加密区间距向上取整减1
C.(梁净跨长-加密区长度)/箍筋非加密区间距向上取整加1
D.(梁净跨长-加密区长度*2)/箍筋加密区间距向上取整减1