Okay I started something from scratch,
It's kind of a mess, but it's only 5 events, and meets your criteria.
The correct answer always shows up at a random position
Other answers are random from a list, and none are repeated
Plus you can optionally set up to 10 different choices instead of just 4, and label them however (A,B,C,D,E,F,G.. or 1,2,3.. etc)
Obviously you'll want this for multiple questions, in which case you need to replace the "answers" string with an Array, with each row being another question...
I'm pretty tired and there's probably a way to simplify this a lot more, but I thought I'd give you what I have so far with annotations in case it helps.
Edit: updated version in the post below