What feature characterizes the writing in Grub Street during the Restoration?

The characteristic feature of writing in Grub Street during the Restoration is that it produced low-quality literature aimed at the masses. Grub Street was known as a place associated with struggling writers and journalists who created work that was often considered hackneyed or of mediocre quality. This type of literature was appealing to a broad audience, focusing on sensationalism, popular topics, and entertainment, rather than depth or philosophical exploration.

The other choices reflect different types of literary works that are not synonymous with the Grub Street phenomenon. High-quality philosophical texts and classic poetry are typically associated with more esteemed literary traditions and authors, often referring to works that take time and skill to craft and are less accessible to the general populace. Creative masterpieces signify a level of artistic excellence that is distinct from the mass-produced, commercially driven literature of Grub Street. Thus, option C accurately captures the essence of what Grub Street literature represented during the Restoration period.