why not try to specify what you want people to talk about?
In next 500 years.
There will be space tourism, a world government, no religion, no discrimination. Artificial intelligence will be considered citizens too. AI and humans will live together. More pollution or no pollution. People may get sensitive about preserving nature. Humans will be biologically modified to fight any disease. Then the only way they can be killed would be something like murder or accident etc.
The answer is B as it is the clearest and correct.
I didn’t really do good with charts sorry so sorry