Although the earliest surviving Greek inscriptions written in an alphabet date from the eighth century B.C., the fact that the text of these Greek inscriptions sometimes runs from right to left and sometimes from left to right indicates that the Greeks adopted alphabetic writing 'at least two centuries before these inscriptions were produced. After all, the Greeks learned alphabetic writing from
the Phoenicians, and presumably, along with the alphabet, they also adopted the then-current Phoenician practice with respect to the direction of text. And although Phoenician writing was originally inconsistent in direction, by the eighth century B.C. Phoenician was consistently written from right to left and had been for about two centuries.
In the argument given, the two portions in boldface play which of the following roles?
(A) The first and the second each describe evidence that has been used to challenge the position that the argument seeks to establish.
(B) The first is evidence that forms the basis for an objection to the position that the argument seeks to establish; the second is that position.
(C) The first is evidence that forms the basis for an objection to the position that the argument seeks to establish; the second is a consideration that is introduced to counter the force of that evidence.
(D) The first and the second each provide evidence in support of the position that the argument seeks to establish.
(E)The first provides evidence in support of the position that the argument seeks to establish; the second is that position.
题目分析：第一个黑体字前面的fact证明第一个黑体字本身应该是evidence，而indicate后面是这个evidence想证明的结论。在这个结论后的after all以及and although应该是并列的两个evidence来支持indicate后面的那个结论，符合这些特点的选项只有D。
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