You should chose D. B. would also work, but D. is best. Always put a comma before a name.
Answer:
In the story 'packing for the journey' by Jerome k Jerome, when Harris and George starting packing the food hampers, George got butter stuck on his slippers as he trod over it. They got the butter off the slipper when they came to know about it. As they put the butter on the chair, Harris when sits on the chair get it stuck on his back. Therefore, they again start searching all over for the butter. At last, they find the butter behind Harris. In this story, the incident of butter creates a lot of humor.
Explanation:
Trees produce the oxygen that humans need to breathe
The Great Fire by Jim Murphy is a nonfiction account of one of the most devastating disasters in American history. In October 1871, a fire that began in a barn in Chicago spread throughout much of the city. It killed hundreds of people, destroyed thousands of buildings, and left almost 100,000 people homeless.