Answer: Abraham Lincoln, the 16th President of the United States, was assassinated by well-known stage actor John Wilkes Booth on April 14, 1865, while attending the play Our American Cousin at Ford's Theatre in Washington, D.C. https://en.wikipedia.org/wiki/Assassination_of_Abraham_Lincoln
Explanation:
The correct answer is D. The audience knows something the character or the characters don't.
This is a pretty common literary technique used in plays and its usage goes as far back as Ancient Greece. This is especially noticeable in tragedies where the audience knows what is being plotted while the main characters do not.