题目楚雄州森林覆盖率约为()。A. 9.8%B. 62.09%C. 40.2%D. 90%楚雄州森林覆盖率约为()。A. 9.8%B. 62.09%C. 40.2%D. 90%题目解答答案B. 62.09%