The overall message or theme of the poem is: "Every creature on earth is at the mercy of some higher being." (Option B). See the full question attached.
<h3>What is a Theme?</h3>
A theme is the central principle that the author is communicating via their story, text, or poem.
In the text referenced above, the central principle or theme is that every creature on earth is at the mercy of some higher being.
The sentence includes two words with virtually identical meanings: duplicity and dishonesty. Therefore, the context clue that's found in the sentence is synonym, as the two are synonymous.
The answer to the given question above would be third option. The search that would help you find critical essays on Cervantes’ work in an electronic catalog is this: Subject: Cervantes. Hope this answers your question. Have a great day ahead!