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Question 99·Hard·Inferences

Historians have sometimes treated the number of patents issued to women as a proxy for women's participation in invention. Researcher Elara Voss examined nineteenth-century patent archives from several regions. Before legal reforms allowed married women to control intellectual property, many applications named only a husband even though accompanying correspondence contained diagrams signed by his wife and described the device as “our contrivance”; trade journals occasionally identified a wife as the principal designer. Immediately after the reforms, the share of patents naming women increased sharply, although both the overall patenting rate and the distribution of patents across technological fields remained nearly unchanged. Voss cautions that this evidence cannot establish exactly how many women were inventors. Taken together, the findings nonetheless suggest _____

Which choice most logically completes the text?