垃圾焚烧发电被列入国家发改委《可再生能源发展“十一五”规划》，有专家认为垃圾焚烧是一种安全环保的垃圾处理方式。
以下哪项如果为真，最能削弱上述专家观点
A．焚烧垃圾产生的有机物无法自然分解
B．1吨生活垃圾焚烧后可以发电300度至500度
C．1吨生活垃圾焚烧后残留物只有原先的10%至15%
D．在日本，70%的生活垃圾被回收利用而不是被焚烧
参考答案：A
解析： 专家观点是：垃圾焚烧是一种安全环保的垃圾处理方式。A项说明垃圾焚烧产生的有机物仍无法自然分解，直接削弱了专家观点。其他三项都不能削弱。故答案选A。
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