Chris Jones 刚刚结束了一次不寻常的印度之旅，记者就此对他进行了采访。以下是采访的部分内容：
Reporter: ____
Chris: Well, it all started two years ago when I was planning a trip to India, I visited a photographic(摄影的) exhibition of elephants and I realized that the only way to travel around India was on an elephant.
Reporter: ____
Chris: I flew to New Delhi and started looking for an elephant. I needed an elephant trained to carry people. I asked an expert for help. He taught me how to ride an elephant. He also helped me find an elephant.
Reporter: ____
Chris: Not too long, I bought a female(母的) elephant called Tara for about USD 6, 000.
Reporter: ____
Chris: Tara and I set off from New Delhi a week later. We were heading to Sonepur in northern India. And what a ride! Elephants can travel at about 6 miles an hour and Sonepur was more than 1, 200 km away. It took us 64 days to complete the journey.
Reporter: ____
Chris: Yes, a few. But nothing serious. On the third day, Tara hurt her foot. But that got better quickly. Also, there was a lot of heavy rain during the first week and we got very wet!
请根据Chris Jones 的回答，从A、B、C、D、E、F六个选项中选择恰当的问题填入相应的五个空格中。
A. How long did it take to find a suitable elephant?
B. What gave you the idea to travel around India on an elephant?
C. Did you have any problems on your journey?
D. Can you tell me the journey?
E. What did you do next?
F. An unusual journey.
2NH3（g）；△H<0。10秒后达到平衡，c（NH3）为0.4mol/L。下列说法正确的是