Which Statement About the Pearl Harbor Attack Is True

Which statement about the Pearl Harbor attack is true?

A) Franklin Roosevelt knew the details of the Pearl Harbor attack well in advance of its occurrence.
B) It was a surprise attack by the Japanese.
C) It was launched after an agreement was struck between the Japanese and Germans.
D) The United States did everything in its power to try to prevent this attack.
E) Japanese-Americans set off explosives on U.S. naval vessels.