Suppose your own demand curve for sweaters slopes downward. Suppose also that, for the last sweater you bought this week, you paid a price exactly equal to your willingness to pay. Then Use letters in alphabetical order to select options
A your consumer surplus on the last sweater you bought is zero.
B you already have bought too many sweaters this week.
C your consumer surplus on all of the sweaters you have bought this week is zero.
D you should buy more sweaters before the end of the week.