Answer
d. Have the same energy
Step-by-step explanation
All four sp3 hybrid orbitals are delocalized—they occupy the same energy level; however, they are higher in energy than the 2s orbital and lower in energy than the 2p orbital.
All orbitals in a set of hybrid orbitals are equivalent in shape and energy.
In sp³ hybridization, one s orbital and three p orbitals hybridize to form four sp³ orbitals, each consisting of 25% s character and 75% p character. This type of hybridization is required whenever an atom is surrounded by four groups of electrons.
Hence, in a sp3 hybridized atom all the bonding sites d. Have the same energy