What is the significance of building smart grid for the development of China’s Power Grid ( ).

A、Smartgridadaptsandpromotesthedevelopmentofcleanenergy
B、Smartgridcanrealizehigh-speedandintelligentgriddispatching
C、Smartgridcanrealizeinformationandleanpowergridmanagement
D、Smartgridadaptstoandpromotesthedevelopmentofcleanenergy,canrealizehigh-speedandintelligentgriddispatch,andcanrealizetheinformationizationandleanofgridmanagement