1. 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 (E) are not new in principle; it 答案为B，不解，请指教 represent not 是否合适？ | 
