[单选题]
An ideal gas occupie; 9vwqjpy*b-w(7 ewk kv;8kf ;+ qehch4bi mc oq:(+xws2em; aj(v e-.29i mjz)wvasjs $600 \; cm^{3}$ at $20 \; ^{\circ}C$. At what temperature will it occupy $1200 \; cm^{3}$ if the pressure remains constant?
A. $10 \; ^{\circ}C$
B. $40 \; ^{\circ}C$
C. $100 \; ^{\circ}C$
D. $313 \; ^{\circ}C$
