"C", "Maybe".
The credibility depends on the websites contents and credentials.
A website like a government's page is considered, "credible", because it is from a trusted source; the government. Whereas getting a random answer from Yahoo is considered less credible because of it not stemming from a trustable source.
Hey, it's TeenSuicide.
I think the Crusades is the correct answer.
ANSWER: C. It was so hot, it felt like an oven outside
EXPLANATION: This example uses hyperbole, a technique where exaggeration is used to create a strong effect.