Answer :
In the parlance of literature, when the audience knows a thing about a character that the character himself or herself doesn't know, it is called Dramatic Irony.
- Read carefully again, the question states that Sebastian told Antonio that his twin sister (Viola) drowned in a shipwreck. Notice again that all of this happened in Act II Scene I.
- Fast-forward to Act II Scene II, we see very clearly that Viola is very much alive although disguised as Cesario.
- Dramatic Irony is a literary technique that was originally used in Greek tragedy.
The correction option, therefore, is Option B.
Learn more about Dramatic Irony in the link below:
https://brainly.com/question/1566842