Line 23. when he says, "princes do but play us; compared to this, / all honor's mimic, all wealth alchemy," what does the speaker means by "this"? a. all of the above b. this playing c. the love we share d. the condition i achieve as lover e. none of the above

He is saying "compared to this love we share". The whole poem is centered around the supremacy of their love above all else. In the preceding line, he states that she is all states and he is all princes, and that nothing else is. Compared to their divine and regal love, princes are only imitating their greatness with their meager possessions. 

The Answer is C

  the correct answer is : binding price ceilings encourage the formation of a black market