求PREP-PS-2-154 解

154.
                15633-!-item-!-187;#058&010772

Bobby bought two shares of stock, which he sold for $96 each.  If he had a profit of 20 percent on the sale of one of the shares but a loss of 20 percent on the sale of the other share, then on the sale of both shares combined Bobby had

(A) a profit of $10

(B) a profit of $8

(C) a loss of $8

(D) a loss of $10

(E) neither a profit nor a loss

答案 C

死活算不出....