分类：教育/科学-外语学习
问题：一道英语选择题，求详解Shehassetanewrecord,t 
She has set a new record,that is,the  of her lasted book ____ 50 million.A.have reached   B.has reached C.are reaching   D.had reached
回答：A。已经创了新纪录，那销售量当然“已经达到。。。”
sales是复数，所以用have.