[tex]\begin{gathered} A)\text{ 45\%=0.45, it is not a whole number} \\ B)\text{ }\frac{1}{5}=0.2,\text{it is not a whole number} \\ C)\text{ 907, it is a whole number} \\ D\text{ .50=0.5 , it is not a whole number} \\ \text{The whole number is 907} \end{gathered}[/tex]