[单选题]
A gas with a volume of a*wi)fhp2 m 7a6;g wgciq)6qp:f*ao-pbes/ogix r ):d;k3ezvu 0 z j;$1.0\,cm^3$ and pressure of $1.0\,hPa$ expands through an adiabatic process to $8.0\,cm^3$.
What is the final pressure of the gas in $hPa$?
A. $\frac{1}{32}$
B. $\frac{1}{8}$
C. $\frac{1}{4}$
D. $\frac{1}{2}$
