A. Abraham Lincoln
B. John F. Kennedy
C. William McKinley
D. All of these
Submitted by: Zahid Jagirani
Four sitting presidents have been killed: Abraham Lincoln (1865, by John Wilkes Booth), James A. Garfield (1881, by Charles J. Guiteau), William McKinley (1901, by Leon Czolgosz), and John F. Kennedy (1963, by Lee Harvey Oswald).
The correct answer to the question: "Which of the following U.S President was assassinated?" is "All of these".