Read the following context and choose the best option to answer the question.
Context: He looked down suddenly , as the floor felt different . He was standing on grass . He looked confused as he glanced around his room . It all looked the same , apart from the grass on his floor .
Question: What may be the reason for having grass on the floor ?
Options: 
A. They are actually outside .
B. None of the above choices .
C. They actually do have grass on the floor .
D. They are dreaming .


D