本人小虾 遇到一题语法 在论坛上找不到答案 跪求解释

Brooksxue

PREP-Test1-37. (26417-!-item-!-188;#058&002629)
One report concludes that many schools do not have, or likely to have, enough computers to use them effectively.
(A) or
(B) nor
(C) or are
(D) nor are they
(E) nor are not  
我选择的是c or在否定句中不是也是连词吗，省略主语many school 不可以吗
答案是D 可否解释一下

cutenancymyn

PREP-Test1-37. (26417-!-item-!-188;#058&002629)
One report concludes that many schools do not have, or likely to have, enough computers to use them effectively.
(A) or
(B) nor
(C) or are
(D) nor are they
(E) nor are not  
我选择的是c or在否定句中不是也是连词吗，省略主语many school 不可以吗
答案是D 可否解释一下

-- by 会员 Brooksxue (2011/3/5 22:46:00)

XDF语法老师讲的。。并列句尽量结构完整对称。。。so D比C好。。不对不要拍我。。。

Gail小M

http://www.manhattangmat.com/forums/one-report-concludes-that-many-schools-do-not-have-t5713.html