问题详情

Which of the following italicized parts is used as a subject complement？

A．She was the only person awake at that night.

B．Exploring a jungle alive with wild animals is hazardous.

C．He spent seven days in the wind and snow, cold and hungry.

D．The man responsible should be their manager.

请帮忙给出正确答案和分析，谢谢！