单选题
The old king ______. They are making a new king.
A. was believed to be killed
B. is believed being killed
C. is believed having been killed
D. is believed to have been killed
【正确答案】
D
【答案解析】The old king is believed to have been killed相当于People believe that the old king was killed。to have been killed表示kill这一动作发生在过去；第二句的谓语动词用的是are making，所以前后一致选is believed。