Which of the Following Is/are the Major Flaw(s)of the Bohr

Multiple Choice

Which of the following is/are the major flaw(s) of the Bohr model of the hydrogen atom?
i.Hydrogen is the only atom that fits the model
ii.Circular orbits violate the Law of Conservation of Energy
iii.It explains atomic line spectra in terms of electron energies
iv.It introduced the idea of quantized electron energy levels in an atom

A) ii only
B) i and ii
C) i and iii
D) iii and iv
E) i, ii, and iii