In What State Is XYZ Bank,a Federally Chartered Bank,considered a Citizen

Multiple Choice

In what state is XYZ Bank,a federally chartered bank,considered a citizen?

A) The bank is considered a citizen of any state in which it is located,meaning any state in which the bank has branches.
B) The bank is considered a citizen of Washington D.C.and also of the state in which it does its largest volume of business.
C) The bank is considered a citizen of the state in which it is located,meaning the state in which its main office,as specified in its articles of incorporation,is located.
D) The bank is considered a citizen only of Washington D.C.
E) The bank is considered a citizen only of the state in which it does its largest volume of business.