I cannot find related solutions in the CR section. Please advice.
Q12
For similar cars and drivers, automobile insurance for collision damage has always cost more in Greatport than in Fairmont. Police studies, however, show that cars owned by Greatport residents are, on average, slightly less likely to be involved in a collision than cars in Fairmont. Cleary, therefore, insurance companies are making a greater profit on collision-damage insurance in Greatport than in Fairmont.
Which of the following is an assumption on which the argument depends?
A. Reparing typical collision damage does not cost more in Greatport than in Fairmont.
B. There are no more motorists in Greatport in Fairmont.
C. Greatport residents who have been in a collision are more likely to report it to their insurance company than Fairmont reisidents are.
D. Fairmont and Greatport are the cities with the highest collision-damage insurance rates.
E. The insurance companies were already aware of difference in the likelihood of collisions before the publication of the police reports.
我知道答案是A 但是可否請教為何 E 不行呢?
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