Final answer:
Members of the bourgeoisie in 16th-century French society were most likely to convert to Protestantism during the Reformation.
Step-by-step explanation:
The answer to your question is C) Bourgeoisie. In 16th-century French society, members of the bourgeoisie, or the urban middle class, were most likely to convert to Protestantism during the Reformation. The bourgeoisie were wealthy and often engaged in commerce, which exposed them to new ideas and enabled them to have access to Protestant literature and teachings.