题目选项分析

Officials at the United States Mint believe that the Sacagawea dollar coin will be used as a substitute for four quarters more than for the dollar bill because it weighs only 8.1 grams, far less than four quarters, which weigh 5.67 grams each.

Officials at the United States Mint believe that the Sacagawea dollar coin will be used more as a substitute for four quarters than the dollar bill because it weighs only 8.1 grams, far lighter than four quarters, which weigh 5.67 grams each.