[单选题]
A block of ice at $0 \; ^{\circ}C$ is added to a 150-g aluminum calorimeter cup that holds 200 g of water at $10 \; ^{\circ}C$. If all but 2.00 g of ice melt, what was the original mass of the block of ice?
A. $31.1 \; g$
B. $38.8 \; g$
C. $42.0 \; g$
D. $47.6 \; g$
