我觉得D更合适 这里which修饰了限定定语从句,因为the United States是单数名词,capitalize可以跳跃修饰colleges。虽然OG上说,一般which只能修饰非限定性定语从句,他们也是有例外的,比如下边这题: The Forbidden City in Beijing, from which the emperors ruled by heavenly mandate, was a site which a commoner or foreigner could not enter without any permission, on pain of death. (A) which a commoner or foreigner could not enter without any permission, (B) which a commoner or foreigner could enter without any permission only (C) which no commoner or foreigner could enter without permission, (D) which, without permission, neither commoner or foreigner could only enter,(C) (E) which, to enter without permission, neither commoner or foreigner could do, |