A. The Germanic tribes which invaded Britain. B. The civilization the Romans gave Britain. C. The Romans who did not settle in Britain. D. The survival of the British people in the first century B. C. 参考答案:A 答案解析:[解析] 根据文章最后一句,接下来将会讨论日耳曼民族入侵英国的历史。所以选择答案A。