Because excessively hunting has depleted many wildlife species, game preserves are being established.

A．excessive hunting

B．hunting excessively

C．hunting was excessive

D．they hunted excessively

关于荷载代表值的概念，下列叙述错误的是（）。

A、永久荷载标准值相当于其概率分布的0.5分位值

B、楼面活荷载标准值相当于设计基准期最大荷载平均值μqt加α倍标准差σqt

C、对住宅、办公楼楼面活荷载，荷载准永久值相当于取其设计基准期任意时点荷载概率分布的0.5分位值

D、可变荷载的荷载频遇值相当于取其设计基准期任意时点荷载概率分布的0.1分位值