题目

阅读理解Therewas a time when both literature and the study of literature came under thedelightful belles lettres-beautiful letters. When the phrase was introduced inthe 18th century, literature was considered, at its best, beautiful. Devoteestried to reproduce that beauty in their response to it. Modernismwas a turning point, when literature became more alienated and combative (好斗的) with respect to society. American literature, with its powerful,democratic associations, contributed to the change. Belles lettres seemed tooelitist to describe early-20th century writing. The superiority提出光纤通信的构想，使得用光进行通信的幻想得以实现的科学家是A. 牛顿 B. 欧姆 C. 高锟 D. 伏特