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
网友回答
A. sentenced
B. had sentenced
(答案→)C. was sentenced
D. had been sentenced
解析：句意；在1998年，当Bill 19岁时，他被判5年监禁因为他的暴力行为。sentence sb to判某人刑，这里Bill与sentence之间是被动关系，又有明确的过去的时间所以用过去式，故选C。