Which of the following best describes the orbital interactions when a cyanide ion performs nucleophilic addition into an aldehyde group?

W) The HOMO of cyanide overlaps with the LUMO of the aldehyde on the carbon side

X) The HOMO of cyanide overlaps with the LUMO of the aldehyde on the oxygen side

Y) The LUMO of cyanide overlaps with the HOMO of the aldehyde on the carbon side

Z) The LUMO of the cyanide overlaps with the HOMO of the aldehyde on the oxygen side
W) THE HOMO OF CYANIDE OVERLAPS WITH THE LUMO OF THE ALDEHYDE ON THE CARBON SIDE