A System Which Undergoes an Adiabatic Change and Does Work $\Delta$

A system which undergoes an adiabatic change and does work on the surroundings has

A) w < 0, $\Delta$ E = 0.
B) w > 0, $\Delta$ E > 0.
C) w > 0, $\Delta$ E < 0.
D) w < 0, $\Delta$ E > 0.
E) w < 0, $\Delta$ E < 0.