The play's villain, Iago, is the epitome of dishonesty and his untruthful nature is contrasted with the innocent Cassio and Desdemona. He uses his skills in deception to lie to almost every other character in the play in particular Othello, but also to Roderigo and Cassio.
This would be a "sentence"--something that contains a main clause, a subject and an action or linking verb, and makes sense on its own. It needs nothing else.
Clarify question more, please
The answer is the letter A