Identify the incorrect statement from the following:

1. A
   All the five $5d$ orbitals are different in size when compared to the respective $4d$ orbitals.
2. B
   All the five $4d$ orbitals have shapes similar to the respective $3d$ orbitals.
3. C
   In an atom, all the five $3d$ orbitals are equal in energy in free state.
4. D
   The shapes of $d_{xy},d_{yz},$ and $d_{zx}$ orbitals are similar to each other; and $d_{x^2-y^2}$ and $d_{z^2}$ are similar to each other.