Assume that there are four consumers A,B,C, and D, and the prices that each of them is willing to pay for a glass of lemonade is, respectively, $250, $2.25, $2.00, and $1.75. If the actual price of lemonade is $1.50 per glass, then consumer surplus in this market will be

A. $4.50

B. 1.00

C. $1.50

D. $3.25

E. $2.50