Le Chatelier's Principle

The reaction,

2CO(g)CO_2(g) + C(grafit)
ΔH= -117 kJ

The changes that can be given to the reaction so that the equilibrium shifts to the right (product) are …

a. Increasing the temperature and adding C(graphite)
b. Increasing the pressure and increasing the temperature
c. Decreasing the temperature and decreasing the volume of container
d. Adding C(graphite) and adding CO(g)
e. Adding the catalyst and increasing the temperature