For the Following Reaction, the Equilibrium Constant Kc Is 0

For the following reaction, the equilibrium constant Kc is 0.60 at a certain temperature. If the concentration of NO(g) and NOBr(g) are both 0.50 M,at equilibrium, what is the concentration of Br2(g) ?
2NO(g) + Br2(g) ⇌ 2NOBr(g)

A) 1.7 M
B) 0.60 M
C) 0.36 M
D) 2.8 M
E) 1.0 M