24.The labor agreement permits staff reductions through attrition with increased pension benefits and a special early-retirement program for speeding it up.
B) attrition and provides increased pension benefits and a special early-retirement program to speed the attrition process
C) attrition, which will be speeded up by providing increased pension benefits and a special early-retirement program
D) attrition, which, by their providing increased pension benefits and a special early-retirement program, will speed the process
E) attrition, which provides increased pension benefits and a special early-retirement program for speeding the attrition process
這一題我自己解的方法是
A. it不知道指代為何
C. 主動改被動
D. which前後逗號可被刪去,錯
E. the attrition重複
正確答案是B
但是總覺得自己降解的方式很虛
還請大大們指教