Which of the following is not a condition for a firm to engage in price discrimination? (Note: the question and answer choices seem to be worded to make it confusing)
A. Consumers are partitioned into two or more types, with one type having a more elastic demand than the other.
B. The firm has a means of identifying consumer types.
C. The consumers are assured to be sincere in telling their true natures.
D. There is no resale market for the good.