The Permanence of the Pyramids and the Poor State of Preservation

The permanence of the pyramids and the poor state of preservation of ziggurats could be interpreted as evidence of

A) Egyptians' more positive outlook on life and death.
B) Egyptians' superior building skills.
C) Egypt developing as a civilization much later than Sumer.
D) the differences between the Egyptian and Mesopotamian environments.
E) archaeologists' lack of interest in Sumer and attention to Egypt.