在社会安全状况差的地方，一成不变的上下班路线（）。
A.是危险的
B.是安全的
C.是合理的
D.对安全没有大的影响
参考答案：A
上海证券交易所不收取A股开户费。()
—Would you like to go hiking with me tomorrow?
—________, but I have to do my geography project with my friends. [ ]
A. I'd love to
B. Yes. Let's go
C. No, I won't
D. It doesn't matter
