题目选项分析

Among lower-paid workers, union members are less likely than nonunion members to be enrolled in lower-end insurance plans that impose stricter limits on medical services and require doctors to see more patients, spending less time with each.

Among lower-paid workers, union members are less likely than nonunion members to be enrolled in lower-end insurance plans imposing stricter limits on medical services , requiring doctors to see more patients, and spending less time with each.