Compared to river valley cultures in Egypt and Mesopotamia, Chinese civilization
(A) probably developed after civilizations in the Nile Valley and Mesopotamia.
(B) predates the rise of civilization in both Egypt and Mesopotamia.
(C) developed simultaneously with Egypt and Mesopotamia.
(D) did not rely on heavy irrigation as year round water was plentiful.
(E) has no verifiable historic origins and left no written records.
Unlike Sumer and Egypt, the Indus Valley or Harappan civilization
(A) became a geographic center for a unified, continuous culture lasting millennia.
(B) is particularly difficult to study because its writing has not been deciphered.
(C) was secure from nomadic incursions and invasions.
(D) never developed a military social class.
(E) developed a monotheistic religion.