Which of the Following Statements Are True in Relation to Homonuclear

Which of the following statements are true in relation to homonuclear diatomics? Please select all that apply.

A) Any combination of two atomic orbitals can form a bonding and an antibonding molecular orbital combination.
B) For B₂, C₂ and N₂, the σ bonding combination of the p orbitals are lower in energy than the $\pi$ bonding combination.
C) For O₂, the energy level order depends on independent overlap of the s orbitals and p orbitals.
D) For B₂, C₂ and N₂, the energy level order is affected by the mixing of s and p orbitals.