Step 1: Concept Overview:
The question requires defining "Intentional Fallacy," a central concept in New Criticism.
Step 2: In-Depth Explanation:
\[\begin{array}{rl} \bullet & \text{W.K. Wimsatt and Monroe C. Beardsley coined the term "Intentional Fallacy" in their 1946 essay. } \\ \bullet & \text{It's the mistake of evaluating a literary work by trying to determine the author's initial intent. } \\ \bullet & \text{New Critics believe the text itself is the only legitimate basis for interpretation. The author's intention is unimportant; the text's content is paramount. } \\ \bullet & \text{Thus, seeking the author's intention is a critical fallacy. } \\ \end{array}\]
Step 3: Conclusion:
Option (C) correctly defines the Intentional Fallacy.