Question

This is hurting my head.
How did Werner Heisenberg's cloud model contribute to the currently accepted atomic model?
A) the cloud model explains that electrons are scattered like raisins in plum pudding

B) the cloud model shows that electrons are ejected when they collide, like raindrops in a cloud

C) the cloud model explains that every electron has a specific location assigned within the area surrounding the atomic nucleus

D) the cloud model predicts that electrons are 90 percent likely to be located within a certain distance of the nucleus