The answer is self-monitoring. Hope this helps! :)
<span>B. Harry Potter and the Sorcerer's Stone</span>
Answer: That ancient land was located in the Middle East, a hot and sunny part of the world.
This is the only option that is correct. The sentence combines both ideas ("the ancient land was located in the Middle East" and "the Middle East is a hot and sunny part of the world) while maintaining the flow of the passage. Moreover, the sentence is grammatically and structurally correct.