![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
How does the professor organize his lecture?
A.
He makes a persuasive argument in favor of sod homes.
B.
He narrates stories about life on the Western frontier.
C.
He explains the process for becoming a homesteader.
D.
He contrasts several types of homes in the West.