[单选题]
An ideal gas has a vo xnn cdrfi7 877kb1:zc /+tn/i0iuryvcr v9 q/lume of $0.20 \; m^{3}$, a temperature of $30 \; ^{\circ}C$, and a pressure of 1.0 atm. It is heated to $60 \; ^{\circ}C$ and compressed to a volume of $0.15 \; m^{3}$. What is the new pressure?
A. $1.0 \; atm$
B. $1.2 \; atm$
C. $1.5 \; atm$
D. $2.7 \; atm$