what technology did city planners adopt when attempting to meet the needs of commuters?\ncommunications…

Brief Explanations:

City - planners have adopted railroad technology to meet commuter needs as it can transport a large number of people efficiently over relatively long - distance within a city or between urban areas. Communications technology is more for information exchange, horse - and - carriage is an old - fashioned and less efficient mode for modern commuting needs, and while automobiles are used, railroads are a key technology for mass commuting.

Answer:

C. railroad technology