[单选题]
An ideal gas occupies w )-kl os9l4nz30kojtv( 3+b r *:mmnbd00 L at an absolute pressure of 400 kPa. Find the absolute pressure if the volume changes to 850 L and the temperature rem*m k+n:jbr0o 3mbdv(tains constant.
A. $140 \; kPa$
B. $640 \; kPa$
C. $850 \; kPa$
D. $1140 \; kPa$