Answer:
I wake up every morning wondering what today, or the next day would be like. What will happen 5 minutes from now? Or 5 YEARS from now? No one truly know, but i wish to find out. Will success strike, or will poverty hit? I guess i can never truly find out until the day the future knocks on my door.
Since the 'upcoming' shows a future event, it means that the correct sentences following will preserve the same temporal nuance so, your choice should be (d) that complies with the arguments stated above.
Success* I think I honestly have know idea