Which of the following correctly orders the gases by the depth of the minimum in their $Z$ versus $P$ curves at $273\mathrm{K}$ (deepest minimum first)?

The dip below $Z=1$ is caused by intermolecular attraction, which grows with the van der Waals constant $a$ (and with polarisability or molar mass for these non-polar gases). $a$ increases in the order $\mathrm{H}{}_2$, $\mathrm{N}{}_2$, $\mathrm{CH}{}_4$, $\mathrm{CO}{}_2$, so $\mathrm{CO}{}_2$ shows the deepest minimum and $\mathrm{H}{}_2$ at $273\mathrm{K}$ (above its Boyle temperature) shows essentially none.