Credibility is used to measure how trustworthy someone or something is, such as when analyzing a narrative mode.
The answer to the question is B
Not only should the children should be taking care of the Grandparents. Everyone should be taking care of everyone. That's how family works. They should be because, the Grandparents would (should) do the same.
Answer:
D
Explanation:
The introduction of a pistol changed the tone completely.
