To be in the same (usually unpleasant) situation as someone else or other people
Answer:
B
Explanation:
The reason why B is the answer is because they are putting something about the person they are talking about between commas. Saying "the boy with the blue shirt opened the door," would ake no sense. You should state something about a person using commas.
Yes. He saw them has a subject (he), a verb (saw), and an object (them), so it is totally a sentence.
In the last part 1 is "decreeing" and 2 is "endorsement" as you wrote.