Which statements about the persona non grata are correct?

A、The receiving state will declare a diplomatic agent who commits an alleged offense persona non grata.;

B、That person may be asked to leave the country by the receiving state or shall be recalled by his sending state.;

C、That person will face withdrawal of immunity of the receiving state, if he is not recalled by his sending state.;

D、States are always intended to use the declaration of persona non grata as weapons of politics, especially when states are in dispute.