It can be inferred from the passage that Stilgoe would be most likely to agree with which one of the following statements regarding the study of cultural history? A. It is impossible to know exactly what period historians are referring to when they use the term "romantic era." B. The writing of intellectuals often anticipates ideas and movements that are later embraced by popular culture. C. Writers who were not popular in their own time tell us little about the age in which they lived. D. The works of popular culture can serve as a reliable indicator of public attitudes toward modern innovations like the railroad. E. The best source of information concerning the impact of an event as large as the Industrial Revolution is the private letters and journals of individuals.