Which of the Following Double Bonds Do You Predict to Be

Which of the following double bonds do you predict to be the shortest based on the position of the atoms in the periodic table?

A) $\mathrm{C}=\mathrm{O}$
B) $\mathrm{N}=\mathrm{O}$
C) $\mathrm{S}=\mathrm{O}$
D) $\mathrm{N}=\mathrm{N}$