1. A) Be spanked 100 times with a cactus on your naked butt
B) Be shot 100 times with a paintball gun whilst naked
B. I guess it depends on what distance
2. A) Have your head forcibly shaved every week in public for 1 year
B) Have thick hair all over your whole body for 1 year
A. B sounds just too terrible.
3. A) Be only allowed to eat your 10 least favorite foods for a year
B) Eat only your 10 favorite foods for a year but a random person sticks their feet in your food for 10 minutes before you eat it
B. Can it be a different random person each time? Some feet are gorgeous. 
4. A) Have 10 ice cube put up your butt as you wake up for 1 year
B) Have 10 squirts of toothpaste up your butt as you wake up for 1 year
B. I haven't tried other but toothpaste sounds like a bit less bad.
5. A) Be locked in a neck deep chamber of pee for 24 hours
B) Be locked in a neck deep chamber of poop for 2 hours and 40 minutes
B. Shorter is better, and I can shower afterwards.
6. A) Be fucked in the ass by the worlds largest cock for 1 hour straight
B) Be fucked in the ass by a 5.5 inch cock (global average) for 1 hour but only using tabasco as lube
A. Terrible choice.
7. A) Watch 2 girls 1 cup on repeat for 1 hour straight whilst eating chocolate ice cream
B) Walk barefoot on lego for 1 hour
A. I have seen dirty things while eating. Doesn't really matter for me.
8. A) Be tied up and watch your best friend perform your ultimate fantasy with your celebrity crush
B) Be tied down and have 100 men cum on your face
A. At least it would be enjoyable to watch
9. A) Never be able to hear music again but able to hear normal talking
B) Never be able to hear normal talking again but able to hear music
A. I don't care much for music anyway.
10. A) Have your family and friends find out about all your kinks
B) Have a national news story about your weirdest kink
B. But then they'd also find out no?