Assuming an open shop, if the goal of the union is to maximize the union membership, it would seek:

A) The wage rate where the membership function equals the demand for labor, assuming no preferential hiring

B) The wage rate where the marginal wage cost equals the marginal revenue product, assuming no preferential hiring

C) The market wage rate, assuming preferential hiring

D) The wage rate where the membership function equals the demand for labor, assuming preferential hiring

E) None of the above