They the fire and helped the old man out.A. put outB. put onC. worked outD. went out

问题补充：

They the fire and helped the old man out.

A. put out

B. put on

C. worked out

D. went out

答案：

A. put out

B. put on

C. worked out

D. went out

解析：词义辨析。put out扑灭；put on穿上；worked out算出；went out 出去。句意：他们扑灭了大火帮助老人出来。所以选A。