Which Statement About an Equilibrium Constant, K, and a Reaction

Which statement about an equilibrium constant, K, and a reaction quotient, Q, for a reaction is correct?

A) Values for each can be determined using units of moles/liter or atmospheres.
B) K is the reciprocal of Q: K = 1/Q.
C) K always is larger than Q.
D) Q always is larger than K.
E) Q can never equal K.