It is no good to be poor in a beautiful environment, good to be welloff but live with environmental problems.
A. so is it
B. so it is
C. nor it is
D. nor is it
网友回答
A. so is it
B. so it is
C. nor it is
(答案→)D. nor is it
解析：D 考察倒装句。句义：生活在环境优美但是经济很贫穷，经济富裕却环境问题很多也不好，表示“也不“。常常使用倒装句nor/neither+助动词/情态动词/be+主语。故D正确。