—I am going to travel to America．Would you consider telling me about your experiences there?
— ．Let's discuss it over dinner．
A. That's all right
B. Go ahead
C. By all means
D. It just depends
网友回答
A. That's all right
B. Go ahead
(答案→)C. By all means
D. It just depends
解析：句意：--我就要去美国旅行了，你能考虑一下告诉我一些你在那里的经历吗？--一定。让我们在晚饭时讨论吧！That's all right 不要紧、没关系、没什么、好极了；Go ahead 前进；进行；It just depends. 这要看情况而定；by all means 一定，务必。根据语境可知，只有C选项正确。
考点: 考查日常交际用语的用法。