The answer to your question is D. It establishes. Hope this helps!
The answer to this question is <span>by reading messages written on oracle bones
Even though the written language was not recognizable by them first, many of people in shang dynasty found a lot of oracles from the bones of ox, birds, and goats. They can only manage to fully decipher the language in early twenty century</span>
four-year universities greatly varies.
Frederick Douglass
Please vote my answer branliest! Thanks.
