Answer:
D) Happened at the same time
Explanation:
The definition of coeval is, put simply, two things that are contemporary.
When the passage says comparing to or alike
Answer:
A. That ancient land was located in the Middle East, a hot and sunny part of the world.
Explanation:
Options B through D simply do not make any sense. They overuse words, and are far too long. Sentence 2 starts off with "That ancient land was located in the Middle East." So it would make sense to start the revised sentence that way. Add "The Middle East" to sentence 1, and there you go.