13.By law, a qualified physician can only prescribe medicine, protecting the public. (A) By law, a qualified physician can only prescribe medicine, protecting the public. (B) By law, only a qualified physician can prescribe medicine, protecting the public. (C) By law, only a qualified physician can prescribe medicine which protects the public. (D) In order to protect the public, by law a qualified physician only can prescribe medicine. (E) In order to protect the public, by law only a qualified physician can prescribe medicine. 答案:E 只根据逻辑句意来判断选e, 还有别的什么判断根据吗?:)