What is the primary difference between "big data" and "small data"? （ ）

A、Bigdataisalwaysaccurate,whilesmalldataisnot.
B、Bigdatareferstoextremelylargedatasets,whilesmalldatadoesnot.
C、Smalldataiseasiertoanalyzethanbigdata.
D、Bigdatarequiresspecializedtoolsforprocessing,whilesmalldatacanbemanagedwithbasicsoftware.