Read the sentence from the passage. They also worked on bridges, highways, and other infrastructure projects. What does the word
infrastructure refer to in the passage? A. the support for air travel B. the building of military bases C. the system of public works D. the network of railroads
bridges and highways are public transportation I don't think they would work on military bases. railroads and air travel would make sense but public works covers everything. let me know if you got it right.
