Which sentence best conveys the author's viewpoint of the Egyptians' ability to manage projects?

"The actual construction of the pyramids has baffled historians for years."

"Tens of thousands of workers required enormous resources, such as a place to live during the construction."

"High-ranking officials were chosen to plan and manage pyramid-building projects."

""The modern way in which the ancient Egyptians organized the construction of pyramids was impressive.""