Which of the Following Statements About the Sahara Desert Is

Multiple Choice

Which of the following statements about the Sahara Desert is true?

A) Its western half was under the Atlantic Ocean until 2000 BCE
B) All evidence indicates that it was never anything other than a vast desert region.
C) At one point, it was an area that was green and flourishing with life.
D) It contained no significant trade routes.
E) It completely cut off Egypt from the rest of Africa.