For Purposes of Diversity-Of-Citizenship,where Does a Corporation Reside

Multiple Choice

For purposes of diversity-of-citizenship,where does a corporation reside?

A) The state of incorporation only.
B) The state in which the corporation has its principal place of business only.
C) Both the state in which the corporation has its principal place of business and the state of incorporation.
D) Any state in which the corporation does business.
E) Any state in which the corporation has done business within the last five years.