_____covering it are not obtainable.A.Accurate data B.Accurate datums选哪个
问题描述：
_____covering it are not obtainable.A.Accurate data B.Accurate datums选哪个
C.Accurate datas D.Datums accurate
答
A Accurate data
谓语用的是are,主语肯定是复数了,datum的复数是data