【正确答案】 A

【答案解析】[解析] 画线词census为名词，意为“人口普查，统计”。A项count意为“计数；计算”，例：By my count that's five cakes you've had already.我数着你已经吃了五块蛋糕。B项statement意为“陈述；报告；声明”，例：The government issued a statement condemning the killings.政府发表声明谴责这些凶杀事件。C项agreement意为“同意”，例：A free trade agreement would be advantageous to both countries.自由贸易协定对两国都会有利。D项estimate意为“估计”，例：You had better countercheck that last estimate.你最好复核一下上次的估价。故选A。