Take a pencil and paper and get crackin' !
I hope that's good motivation for you!
Answer:
A
Explanation:
It's not a complete sentence. It leaves you hanging. It's only a <em>fragment</em> of the sentence. We don't know what Marshall did when he realized that Barney lied to him about the stain on the carpet.
Comedy can be dated back to the Ancient Greeks. It was especially seen during the Athenian democracy.