Usually, in a conclusion, you wrap up what you have been writing about the whole time. So, a conclusion is basically a summary of the whole text. You can introduce new ideas for the reader, but it is usually inadvisable. In a couple of sentences, you should finish your text, referring to the previous paragraphs and just wrap it all up nicely.
Answer:
A. They were nervous and ready to believe anything.
Explanation:
There had been no proof of alien existence, let alone alien invasion before Welles' broadcast, and it would likely be more easily confirmed if it were really happening.
C) to entertain readers by expressing how embarrassed she felt
The Socs and greasers choose to have the rumble in a vacant lot in greaser territory, because the lots is a less conspicuous place where they hoped the cops would not break up the fight.