If the following reaction is contained in a closed vessel and the reaction system is at equilibrium:
A(s) + B(l) ⇌ C(g) + D(g), ΔH = +84.3 kJ

Which of the following will decrease the number of moles of C?
A. Adding some A to the system
B. Removing some D from the system
C. Decreasing the size/volume of the reaction vessel
D. Increasing the temperature of the reaction system
E. Adding some B to the system