Academic Reading section 3 practice test

Question 40
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.
Remember, you have 60 minutes to complete the Reading test! You should spend about 20 minutes on each of the three sections.
You have now reached the end of your Reading test; download the answers and see how well you have done.