molecular orbitals

Which of the following electron distributions among the molecular orbitals best describes the NO molecule?

?2s ?2s* ?2py=?2px ?2pz ?2py*=?2px* ?2pz*

A) 2, 2, 4, 1, 3, 0
B) 2, 2, 4, 2, 4, 1
C) 2, 2, 4, 2, 1, 0
D) 2, 2, 4, 2, 2, 0
E) 2, 2, 4, 2, 4, 2

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