Which of the Following Is True About Presidential Emergency Powers

Which of the following is true about Presidential emergency powers?

A) They are listed in the Twenty-second Amendment.
B) They have never been exercised.
C) They are listed in each amendment of the Bill of Rights.
D) They were first enunciated in the Supreme Court's decision in United States v. Curtiss-Wright Export Corp.
E) They are not outlined in the Constitution.