Methane undergoes a combustion reaction according to the reaction CH₄(g)+2O₂(g)→CO₂(g)+2H₂O(l). How many grams of methane gas were burned if 67.2 L of carbon dioxide gas are produced in the reaction? (assume STP)

A. 3 grams
B. 22.4 grams
C. 16 grams
D. 48 grams
E. 132 grams