求助

9.     The proposed urban development zones do not represent a new principle; it was employed in “Operation Bootstrap” in Puerto Rico.

(A) do not represent a new principle; it

(B) represent not a new principle, but one that

(C) are not a new principle; the same one

(D) are not a new principle, but one that（B）

(E) are not new in principle; it

这个题b 和d有什么不一样啊？我个人认为D也是可以接受的阿，说得跟B的意思差不多

13.   The nation’s three military academies have seen a dramatic rise in applications, one fueled by a resurgence of patriotism, increasing tuition costs at private colleges, and improved recruiting by the academies.

(A) one fueled by a resurgence of patriotism, increasing tuition costs at private colleges, and improved recruiting by the academies

(B) one fueled by a resurgence of patriotism, tuition costs that have increased at private colleges, and academies improving their recruiting

(C) one fueled by a resurgence of patriotism, private colleges that increased their tuition costs, and recruiting improvements by the academies

(D) fueled by a resurgence of patriotism, tuition costs increasing at private colleges, and academies improving their recruiting（A）

(E) fueled by a resurgence of patriotism, increasing tuition costs at private colleges, and academies improving their recruiting

这道题不知道该从哪里下手了，自己感觉是绝对不会选择A地，大牛请指教

24.   The labor agreement permits staff reductions through attrition with increased pension benefits and a special early-retirement program for speeding it up.

(A) 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（B）

(E) attrition, which provides increased pension benefits and a special early-retirement program for speeding the attrition process

也是感觉很乱，就是看不出头绪来 感觉什么平行、时态都用不上了