jeans were invented over 100 years ago, they’re still in fashion today.
- A.Because
- B.If
- C.Although
- D.Since
答案
正确答案：C
because“因为”，if“如果”，although“尽管；虽然”，since“自从……以来”。句意为“虽然牛仔裤是在100多年以前发明的，但今天它们依然流行”，可知although符合题意，答案选C。
略
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