The author uses the adjective “simple” in line 5 most probably to emphasize that the______

A. collection of census inofrmation became progressively more difficult throughout the nineteenth-century
B. technology for tabulating census information was rudimentary during the first half of the nineteenth century
C. home-based agricultural economy of the early nineteenth century was easier to analyze than the later industrial economy
D. economic role ofwomen was better defined in the early nineteenth century than in the late nienteent century
E. information collected by early-nineteen-century censuses was limited in its amount of detail