The Diagram Below Is a Time-Concentration Curve for the Reaction

The diagram below is a time-concentration curve for the reaction CO₂ (g) C (s) + O₂(g) . What is the average rate at which CO₂ (g) disappears over the first 25 minutes of the reaction?

A) 0.34 mol/L × min
B) 0.17 mol/L × s
C) 0.04 mol/L × min
D) 0.68 mol/L × hr
E) 0.014 mol/L × min