At what temperature (in °C) would a gas have a volume of 13.5 L at a pressure of 0.723 atm, if it had a volume of 17.8 L at a pressure of 0.612 atm and a temperature of 28.0°C?
A. 30.5°C
B. 25.0°C
C. 35.5°C
D. 20.0°C