Ⅰ.阅读理解
阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项。
A
When one looks back upon the fifteen hundred years that are the life span of the English language，he should be able to notice a number of significant truths.The history of our language has always been a history of constant change—at times a slow，almost imperceptible change，at other times a violent collision between two languages.
