J.J.Thomson's Model of an Atom

J.J.Thomson's model of an atom

A) had electrons embedded in some kind of fluid that contained most of the mass of the atom.
B) held that the fluid containing most of the mass of the atom had enough positive charge to make the atom electrically neutral.
C) failed to predict the observed frequencies for any atom.
D) depended upon electric forces to produce stability.
E) All of these are correct.