Choose the correct letter, A, B, C or D.
Write the correct letter in box 40 on your answer sheet.
Stephen Hawking has stated that
A. Human time travel is theoretically possible, but is unlikely to ever actually occur.
B. Human time travel might be possible, but only moving backward in time.
C. Human time travel might be possible, but only moving forward in time.
D. All time travel is impossible.
