Um, I would say they might be shocked because back then they didn't have anything like Rock Concerts and they didn't really like anything different, surprising, or weird. That's why when they could not understand why someone cooked different they thought it was witch craft and thought that person was a witch and burned them alive or hung them.
They want you to pick an answer that best supports the reason
Answer: their
Explanation: The sentence is addressing car buyers having something, in this instance a choice. When the subject is possessive, you use their. Such as, the car buyers ate <em>their</em> lunch.
Answer:
There are several main criteria for determining whether a source is reliable or not.
1) Accuracy. Verify the information you already know against the information found in the source. Look also for disclaimers as to the accuracy of the content. You may also want to double-check the information against a source that you already know is trustworthy. Even though a source may use technical language, the content may be misleading.