ariannaajones12004 ariannaajones12004 08-12-2020 History contestada I WILL GIVE BRAINLIEST!!! When did Threshold 8 begin? Choose 1 answer: (Choice A) A 10,000 years ago (Choice B) B 200 years ago (Choice C) C 5,000 years ago (Choice D) D 200,000 years ago