In order to rank pleasures properly, a. Mill advises us to seek out the opinions of individuals who have experienced both higher-quality pleasures and lower-quality pleasures. b. Mill advises us to return to Kantian views on pleasures, as these views are quite insightful, even though we need to reject Kantian ethics. c. Mill advises us to avoid seeking out the opinions of individuals who have experienced both higher-quality pleasures and lower-quality pleasures, as this will just get in the way of our expressing our own opinion about which pleasures mean the most to us. d. Mill advises us to avoid seeking out the opinions of individuals who have experienced both higher-quality pleasures and lower-quality pleasures, as these opinions are actually generated by old, pre-modern traditions that need to be discarded once and for all.