Which of the sentences below best expresses the essential information in the highlighted sentence in the passage? Incorrect choices change the meaning in important ways or leave out essential information. A. In part because of its low cost and ease of use, clay became the preferred writing material throughout Mesopotamia and well beyond it. B. Clay was cheap throughout Mesopotamia, so clay tablets from Mesopotamia became the preferred writing material as far as the Mediterranean. C. For a while, the clay tablet was the preferred writing material in Crete and Greece. D. Moreover, because clay was used as the writing material of choice in Mesopotamia, Syria, Asia Minor, Persia, and the Mediterranean, it was cheap and popular.