At equilibrium a 1.0-liter container was found to contain 0.20 mol of A, 0.20 mol of B, 0.40 mol of C, and 0.40 mol of D. If 0.10 mol of A and 0.10 mol of B are added to this system, which of the following statements is true?

A(g) + B(g) C(g) + D(g)

a.	The system remains in equilibrium.
b.	Q > Kc
c.	More reactants are formed to increase the value of Q.
d.	The value of Kc decreases.
e.	More products are formed to increase the value of Q