106.
Officials at the United States Mint believe that the Sacagawea dollar coin will be used more as a substitute for four quarters rather than for the dollar bill because its weight, only 8.1 grams, is far less than four quarters, which weigh 5.67 grams each.
(A) more as a substitute for four quarters rather than for the dollar bill because its weight, only 8.1 grams, is far less than
(B) more as a substitute for four quarters than the dollar bill because it weighs only 8.1 grams, far lighter than
(C) as a substitute for four quarters more than for the dollar bill because it weighs only 8.1 grams, far less than
(D) as a substitute for four quarters more than the dollar bill because its weight of only 8.1 grams is far lighter than it is for
(E) as a substitute more for four quarters rather than for the dollar bill because its weight, only 8.1 grams, is far less than it is for 答案选的C，但是less可以修饰重量吗？不是应该用lighter吗？ | 
