单选题 David ______ his company's success to the unity of all the staff and their persevering hard work.
  • A. attributed
  • B. contributed
  • C. acknowledged
  • D. pledged
【正确答案】 A
【答案解析】[解析] attributed(to)意为“归因于”；contributed(to)意为“捐献”；acknowledged意为“承认”；pledged意为“保证”。本句话意思是：“大卫说他们公司之所以获得成功是由于全体员工的团结和坚持不懈努力工作的结果”。A项符合题意。如：delays attributed to snow(因下雪而耽搁)。