Propane burns in oxygen to produce carbon dioxide and steam.

Which of the chemical equations matches the reaction above?
A.
C3H8 + 6O2 2CO2 + 8H2O
B.
C3H8 + 4O2 2CO2 + 4H2O
C.
C3H8 + 5O2 3CO2 + 4H2O
D.
C3H8 + 6O2 3CO2 + 6H2O