The boy then led her into the warm hall and left her by the fire.A. sitB. to sitC. sittin

问题补充：

The boy then led her into the warm hall and left her by the fire.

A. sit

B. to sit

C. sitting

D. sat

答案：

A. sit

B. to sit

(答案→)C. sitting

D. sat

解析：固定短语。Leave sb doing使某人处于某种状态中；句意：那个男子把听他带进温暖大客厅，让她坐在火堆旁边。