单选题 One suggested method of containing the fires was presented by Cary Colaizzi of the engineering firm Goodson, which has developed a heat-resistant grout(a thin mortar used to fill cracks and crevices), which is designed to be pumped into the coal fire to cut off the oxygen supply.(中国社会科学院2006年试题)
【正确答案】 A
【答案解析】解析：根据上下文containing已不再是“包含，容纳”的意思，而应是“控制，遏制”。四个选项中，A项restraining的意思是“抑制，制止”；B项comprising的意思是“包含，由……组成”；C项embracing的意思是“拥抱，互相拥抱，包含”；D项releasing的意思是“释放，解放，放弃”。只有A项符合题意。