“Thingsnever come again！” I couldn’t help talking to myself.A. lost　　　B. losingC. to lose　

问题补充：

“Thingsnever come again！” I couldn’t help talking to myself.

A. lost

B. losing

C. to lose

D. have lost

答案：

(答案→)A. lost

B. losing

C. to lose

D. have lost

解析：考察分词做定语。过去分词转换的形容词lost做定语修饰名词things，结合句意可知A正确。句意：失去的东西再也回不来了。