Answer:
1. Topic.
2. Main idea.
3. All three? I don't understand what you were trying to say in the question. If you meant what to do to look for the main idea of a text, all of the above should be correct.
Explanation:
I believe the answer is B ^^
B, C, and D.
You would have to compare the delivery, how far they are apart and how far they are away from you.
Hoped This Helped!!!
