HELP FAST PLEASE

read the thesis statement

when no one knows how or why the pyramids were built the Egyptians' achievement seems even more impressive

Which piece of information, gathered from research, best supports the thesis Statement?

A. Khufu chose the site in Giza for his tomb because it had symbolic and physical advantages

B. they switched from building step pyramids, which had a series of smaller and smaller levels rising to the top, to the true pyramid shape, which is smooth

C. a stone was fitted into place every 2 minutes for more than 20 years--"a phenomenal pace," according to Dr. Hawass

D. for men oversaw the construction

Will give brainliest to whoever is correct