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

A system which undergoes an adiabatic change and has work done on it by the surroundings has

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