A railway station is no place for a child alone at night. A. leaveB. leaving C. to be le

问题补充：

A railway station is no place for a child alone at night.

A. leave

B. leaving

C. to be leaving

D. to be left

答案：

A. leave

B. leaving

C. to be leaving

(答案→)D. to be left

解析：根据句意，a child 与 leave 之间为被动关系，所以要选一个具有被动关系的选项，故只能选 D。句意为：火车站可不是让儿童在晚上独自呆的地方。