It was B, white.
Which means Group 3 is now ahead and I've made an exception for Jaymoon_HalfFeather to also join that team. If the group gets one more correct, they will go head-to-head to be the GRAND FINAL WINNER!

Group 1 (sadly): 0

Group 2: 1

Group 3: 2

That was my very first cover for this book. A precious antique. I have my name in the bottom left corner, I still do, just with a different font.
Brings back old memories from when it struggled in the beginning and I wanted to delete it. Thankfully, I didn't :)

I'm going to post the 4th question later tonight.