Soaring television costs accounted for more than half the spending in the presidential campaign of 1992, a greater proportion than it was in any previous election.
Soaring television costs accounted for more than half the spending in the presidential campaign of 1992, a greater proportion than it was in any previous election.
A. a greater proportion than it was B. a greater proportion than C. a greater proportion than they have been D. which is greater than was so E. which is greater than it has been
这道题答案是B,我选的A, 这句话的主语是Soaring television costs,比较的内容是proportion,不要it was仅仅是因为太啰嗦?还有是有其他深层次的原因?