You need to add more information. Are you using a textbook? If you are, read the information on the topic
The correct answer is the second one.
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.
the s stand for subject and v stand up for verb and o is object
2. o stand for object ,v stand up for verb and o is object