The following statement about LED dynamic display mode is correct

A、Whenacharacterisdisplayedonthedisplay,thecorrespondingsegment(LED)isconstantlyturnedonoroffuntilanothercharacterisdisplayed.;
B、Yourcommoncathode(commonterminalK0)isconnectedto+5Vpowersupply;ifitiscommonanode(commonterminalK0),itisgrounded.;
C、Everyoneinthemonitorlightsupinturn.;
D、Segmentselectionsendsthefontcodeofthecharactertobedisplayed.