Credible would be
Someone who's credible is honest and believable. ... Similar to words like reliable and plausible, credible is an adjective that comes to us from the Latin credibilis, meaning “worthy to be believed.” A credible reputation is often earned through consistent good behavior and an overall trustworthy personality.
In the excerpt from Gary Soto’s short story "Like Mexicans.” The complex narrative structure used in the excerpt is an example of establishing a work of fiction that is based on nonfiction. For the reason that the author assumes responsibility for the truth or accuracy of the events, people, or information presented thus being noted as Nonfiction.
Answer:
c. Samuel Pepys
Explanation:
one of the most famous English diarists, Samuel Pepys began his diary in 1660 when he secured a position as clerk of the acts to the navy board.
The answer is 'his hair turns grayer' - that is the physical change which took place in the spirit of Christmas present from when he first appears in the story to when he leaves.