For the Reaction of Carbon with Carbon Dioxide to Make

For the reaction of carbon with carbon dioxide to make carbon monoxide, the reaction is as follows. C(s) + CO₂(g) ⇌ 2CO(g)
Adding additional C(s) to the reaction container will cause __________ to occur.

A) the formation of more CO
B) the formation of more CO₂
C) a decrease in the amount of CO
D) B and C
E) no change in the amounts of CO and CO₂