(b)imposing stricter limits on medical services, requiring doctors to see more patients, and spending
(c)that impose stricker limits on medical services, require doctors to see more patients, and spend
(d)that impose stricker limits on medical services and require doctors to see more patients, spending
(e)that imposer stricter limits on medical services, requiring doctors to see more patients and spending
這是我做PP做到的題目
在做題時求速度第一眼就選C 結果答案是D

但是我覺得自己有一些文法的盲點 所以想請教各位高手
spending 是怎麼修飾doctors?是什麼結構?
