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GWD1-Q16:
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
答案是B，对于B我没有疑义。这是than后面省略主谓而只保留介词短语
但是prep1-114
A study on couples' retirement transitions found that women who took new jobs after retiring from their primary careers reported high marital satisfaction, more than when retiring completely.
(A) more than when retiring
(B) more than if they were to retire
(C) more so than those who retired
(D) which was more so than those retiring（c）
(E) which was more than if they had retired
为什么a不能理解为省略，而只保留状语从句呢。 望解答。 | 
