[quote="Ravshonbek"]Among lower-paid workers, union members are less likely than non union members to be enrolled in lower-end insurance plans
imposing stricter limits on medical services and requiring doctors to see more patients, and spend less time with each.
(A) imposing stricter limits on medical services and requiring doctors to see more patients, and spend
(B) imposing stricter limits on medical services , requiring doctors to see more patients, and spending
(C) that impose stricter limits on medical services, require doctors to see more patients, and spend
(D) that impose stricter limits on medical services and require doctors to see more patients, spending
(E) that impose stricter limits on medical services, requiring doctors to see more patients and spending
I make it simple.
spend/spending must refers to "doctor", but not to "plans", so, choice B, C and E are wrong because in these choices, "plans" do spending/spend . this is no sense. so simple.
choice A and D are left.
in choice A, "see" and "spend" are parallel. this is not logical. "spend"should logically depend on "see"
choice D is left.
the meaning in choice D is
"plans require doctor to see more patients, spending less time with each"
normally, comma+doing refers to the subject and modifies the preceding clause
I learn gmat, making my family happy.
but in choice S, "speanding" modifies "to see". so, comma+doing modifies "to do".
IS THIS WHAT GMAT WANT US TO KNOW ?
honestly, I am not easy with choice D. this is a high level question.