-Where is your father?        

-He ________ on business for two weeks. He'll return in three days.          [ ]

A. left                      

B. has left          

C. has gone                  

D. has been away

人民法院审理期货侵权纠纷和无效的期货交易合同纠纷案件，应当根据各方当事人（）确定民事责任。

A．是否有过错

B．过错的性质

C．过错的大小

D．过错和损失之间的因果关系