Which sentence would best begin this reading passage? a) the sacramento valley is known for having some of the most lush land in the entire united states. b) wheat, fruit, and wool were three of the most successful cash crops for the people of sacramento valley. c) colonies were set up with well-thought out irrigation systems that benefited crops because rain was unreliable. d) those coming to the sacramento valley prior to the civil war achieved a great deal in terms of developing the land for agriculture.