Answer:
A. light-hearted
Step-by-step explanation:
The next morning, during breakfast the room is bright and lighthearted in contrast to the gloomy mood of the previous evening, and the dried-out pet now seems safe. Mrs. White thinks of the sergeant-narrative major's comment and laughs at how ridiculous that sounded, before adding that an extra two hundred pounds wouldn't damage anyone. Herbert jokes that if coins fell from the sky and landed on his noggin, they may Mr. White adds that most people confuse luck with having their wishes fulfilled.