Answer
Please see the work below.
Work Step by Step
We know that the required oxidation states are given as
a. The oxidation state of H in $H_2$ is 0.
b. The oxidation state of H in $C_2H_4$ is +1.
c. The oxidation state of S in $SH_4$ is -4.
D. The oxidation state of N in $HNO_3$ is +5.