If grapes are 92% water and raisins are 20% water, then how much did a quantity of raisins, which currently weighs 10 pounds, weigh when all the raisins were grapes? (Assume that the only difference between their raisin-weight and their grape-weight is water that evaporated during their transformation.)
A. 25 pounds
B. 46 pounds
C. 92 pounds
D. 100 pounds
E. 146 pounds