Regarding the system of people’s congresses, which of the following statements are correct？

A、ItisthefundamentalpoliticalsystemofthePeople’sRepublicofChina.;
B、ItistheorganizationalformofthepoliticalpowerofthePeople’sRepublicofChina.;
C、TheNPCisthehighestorganofstatepower.;
D、Localpeople’scongressesatalllevels（地方各级人民代表大会）arelocalorgansofstatepower.