Although it is difficult nowadays to convince the
已帮助 人
Although it is difficult nowadays to convince the public of the importance of nature reserves,Dr. Baum felt that
A.people would support moves to create more environment areas
B.people would carry on supporting those national parks in existence
C.existing national parks would need to be more independent to survive
D.certain areas of countryside should be left undisturbed by man
-
答案：D
第二段最后一句说，鲍姆博士立场鲜明地坚持应当让自然环境不受干扰地生存，理应如此。最后一段说，曾是郊野最初的组成部分的自然环境保护区已经退减成为被破坏污染了的一片地区中的小岛。综合两句意思，可推断出答案应为选项D。