Sumerian Cuneiform Was Used for Writing Long After Sumer Disappeared

Sumerian cuneiform was used for writing long after Sumer disappeared because

A) it could be adapted to write almost any language.
B) most Near Eastern peoples,like the Sumerians,spoke Semitic languages.
C) it was a simple and easily learned system.
D) Sumerian papyrus texts were nearly indestructible.
E) Sumerian texts had been written with future generations in mind.