In 1998, when he was only 19, Bill _____ to 5 years in prison for his acts of violence. 

A．sentenced

B．had sentenced

C．was sentenced

D．had been sentenced

甲需一批货物，遂委托乙向丙购买，此事甲未告知丙。丙打电话向甲证实此事，甲未否认，丙遂将货物出售给乙，后丙向甲索赔货款，双方为此发生纠纷。按法律规定这笔贷款应由( )。

A．丙自负

B．乙向丙支付

C．甲向丙支付

D．甲、乙负连带责任