Thomson and Rutherford model

Which of the following statement is NOT correct about Thomson and Rutherford model of atom?

$(A)$ Before Thomson model, it was believed that an atom was the smallest unit in matter.
$(B)$ Rutherford model suggests that an atom has a dense nucleus on its center.
$(C)$ The discrete spectrum of an atom can be explained using Rutherford model.
$(D)$ Thomson model suggests that positive and negative charges are uniformly distributed in an atom.