A Theremarkable similarity of Thule artifacts throughout a vast region can, in part,be explained as 分析该选项
B Thuleartifacts being remarkably similar throughout a vast region, one explanationis 分析该选项
C ThatThule artifacts are remarkably similar throughout a vast region is, in part,explainable as 分析该选项
D Oneexplanation for the remarkable similarity of Thule artifacts throughout a vastregion is that there was 分析该选项
E Throughouta vast region Thule artifacts are remarkably similar, with one explanation forthis being 分析该选项
(D正确答案)