Which one of the following statements in relation to the hydrogen...

Options

1. A$3 s, 3 p$ and $3 d$-orbitals all have the same energy.
2. B$3 s$ and $3 p$-orbitals are of lower energy than $3 d$-orbital.
3. C$3 p$-orbital is lower in energy than $3 d$-orbital.
4. D$3 s$-orbital is lower in energy than $3 p$-orbital.