单选题 . ①Among some Native American peoples, the oral tradition of one group has sometimes influenced that of another; indeed, tracing such influence has been one major task of scholars of Native American oral literature. ②European influences are often regarded, understandably, as another matter. ③Nellie Barnes, for example, in an early stylistic study of Native American oral literature, considered only forms preceding the influence of Europeans. ④Yet the example of the Zuni version of the Italian folk tale "The Cock and the Mouse" suggests that, notwithstanding the opinions of scholars of Native American oral literature, European influence is not always synonymous with the waning of Native American traditions. ⑤The Zuni narrator utilized the European story as an opportunity to exercise his narrative genius, thus leaving his tradition enhanced rather than diminished by the European influence. ⑥Such examples should cause scholars researching influences on Native American oral narratives to reassess their notions of the proper domain of such studies.

28. The passage is primarily concerned with ______

A、 assessing the extent of a particular influence on a narrative tradition
B、 pointing out the prevalence of a type of narrative once thought to be rare
C、 reporting results of recent research on a particular narrative tradition
D、 proposing an expansion of the focus of a particular area of research
E、 illustrating the use of an unconventional new research methodology

【正确答案】 D

【答案解析】 D：本题属于主旨题。本文除了表明欧洲对美洲原住民文学有影响之外，还在最后一句呼吁，应该更多地去研究欧洲的影响，因此答案是选项D而非选项A。
B：a type of narrative once thought to be rare在文中无对应。
C：没提最近的研究。
E：文中未提及new research methodology。