Final answer:
The titles 'Pane e Vino' and 'Vino e Pane' by Ignazio Silone refer to 'Wine and Bread', which symbolize Italian rural life and culture.
Step-by-step explanation:
The titles Pane e Vino and Vino e Pane both refer to bread and wine. Therefore, the correct answer to what the titles of Ignazio Silone's peasant novel refer to is b) Wine and Bread. This novel, dealing with the experiences of Italian peasants under fascism, uses these two elements, wine and bread, symbolically to represent the essence of Italian rural life and culture, as well as touching on themes of community, religion, and sustenance.