The MLA Style Sheet, a compilation of scholarly conventions and directives, was first published in:

Correct option is C

Explanation:
The MLA Style Sheet, a precursor to the MLA Handbook, was first published in 1951 by the Modern Language Association (MLA). It was created to provide standardized guidelines for scholars in the humanities to format their work consistently. This style sheet addressed citation formats, bibliographies, and general documentation practices. It laid the groundwork for the modern MLA Handbook, which continues to be a vital reference for academic writing in literature and humanities.

Information Booster:
Historical Context of MLA Style Sheet:
The first MLA Style Sheet (1951) was designed to simplify scholarly writing by standardizing citation methods.
It was especially influential for English and humanities scholars who required a consistent way to cite sources.
Later iterations expanded and became what we know today as the MLA Handbook, which is currently in its 9th edition.
MLA Handbook:
Evolution: From a concise style sheet in 1951 to a comprehensive handbook addressing diverse sources like online publications, podcasts, and films.
Key Features: Focuses on in-text citations and a "Works Cited" page for listing references.

Additional Knowledge:
1951 Style Sheet: Limited to basic citation guidelines for books, journals, and articles.
Modern MLA Handbook: Covers a wide array of sources, including digital media and multimedia formats.
Other Referencing Styles Introduced Around the Same Period:
Chicago Manual of Style (1906): Earlier than MLA, more versatile for sciences and humanities.
APA Style (1929): Developed for psychology and social sciences.