单选题 When the writer says we cannot return the good old days, he means that ______.

【正确答案】 B
【答案解析】[解析] 推理题。根据文中最后一段第三句We can't return to the“good old days”of peace and quiet.得知这里过去的好时光就是指宁静祥和的时代。故可以推断本题答案为[B]。