In which of the following acid, the maximum number of hydrogen atoms are joined directly with phosphorous?

How many gm of the oxidising agent gets reduced in the reaction of $65.4 \mathrm{gm}$ of $\mathrm{Zn}$ with concentrated nitric acid?

[Atomic mass $\left[\mathrm{Zn}=65.4, \mathrm{N}=14, \mathrm{H}=1, \mathrm{O} =16 \mathrm{gm} {\mathrm{mol}}^{-1}\right]$]