Which Statement Regarding Combustion of a Sample of Gasoline in a Bomb

Which statement regarding combustion of a sample of gasoline in a bomb calorimeter is correct?

A) Work is done by the system on the surroundings.
B) Work is done by the surroundings on the system.
C) No work is done because the volume cannot change.
D) The work done by the system equals the energy produced by the system.
E) The experiment provides a very accurate value for the enthalpy of combustion of gasoline.