单选题
According to______across the relevant research community, the published attack represents an extreme position in its demands for proof.(2009年北京航空航天大学考博试题)
【正确答案】
B
【答案解析】解析：四个选项的意思分别是：soundings声响，意见调查；echoes回声，反响；sonar systems声呐系统：reflections反射，见解。根据句子意思可知，正确答案是B选项。如：Echo found her inspiration from the vast Sahara desert．(三毛从茫茫的撒哈拉沙漠中找到了灵感。)