GRE Reading Comprehension: ETS-GRE阅读ETS - 68M50W0K5X3U0VDG7

The passage suggests that if all insurers classified risk, who among the following would be adversely affected? A. all insurance purchasers B. insurance purchasers who would be classified as poor risks C. individuals who self-insured or self protected D. insurers who had a high proportion of good risks in their "book" of risks E. insurers with the most refined risk classifications