Step 1: Understanding the Concept:
This question asks to identify the source poem of the given quote.
Step 2: Detailed Explanation:
This line is from T.S. Eliot's poem, "Macavity: The Mystery Cat". It is part of a longer description of how Macavity, the master criminal, is able to commit crimes and vanish without a trace. The line "his footprints are not found in any file of Scotland Yard" emphasizes his cleverness and mysterious ability to evade capture and leave no evidence behind for the police to track.
Step 3: Final Answer:
The given quote is from "Macavity: The Mystery Cat". Therefore, option (D) is the correct answer.