【正确答案】 B

【答案解析】 选项中的词均以-ment结尾。fulfillment的释义为the act of fulfilling or condition of being fulfilled“履行，实行”；achievement的释义为something successfully finished or gained especially through skill and hard work“取得，达到，成就”；establishment“建立，建设”；accomplishment“(顺利)完成”。根据句意，只有achievement符合句意，故答案为B。