Which of the Following Equations Correctly Describes the Relationship Between $\rightarrow$

Which of the following equations correctly describes the relationship between the instantaneous rate at which NO₂ and Cl₂ are consumed in the following reaction?
2 NO₂(g) + Cl₂(g) $\rightarrow$ 2 NO₂Cl(g)

A) -d(NO₂) /dt = 1/2 [-d(Cl₂) /dt]
B) -d(NO₂) /dt = 1/2 [d(Cl₂) /dt]
C) -d(NO₂) /dt = -d(Cl₂) /dt
D) -d(NO₂) /dt = 2 [-d(Cl₂) /dt]
E) -d(NO₂) /dt = 2 [d(Cl₂) /dt]