—______ that he managed to get the book?

— Oh, his sister helped him.

A．Where was it

B．What was it

C．How was it

D．Why was it

王某和张某到动物园游玩，老虎笼上挂着提示牌：“老虎凶猛，禁止逗弄”，王某和张某故意逗弄老虎，老虎非常生气，撞开笼门冲出笼子，王某撒腿就跑，张某吓得呆若木鸡，老虎将张某咬伤，经事后检查，老虎笼因为年代久远已经不甚牢固，动物园因为缺乏资金一直未更换新的老虎笼。以下说法正确的是( )

A．张某应自行承担损失

B．动物园应向张某承担赔偿责任

C．王某、动物园应当按照过错程度向张某承担赔偿责任

D．王某、张某、动物园按照过错程度承担责任