Whichbuilt－inreturnsaBOOLEANvaluethatindicatedwhetheranobjectsinternalIDisavailable?() A.GET_IDB.ID_NULLC.ID_FINDD.FIND_ID

Whichbuilt－inreturnsaBOOLEANvaluethatindicatedwhetheranobjectsinternalIDisavailable?()

A.GET_ID

B.ID_NULL