Which statement from the passage could be considered an exaggeration?
He retired at the age of 25 to focus on what he considered his true contribution to society—his research in the field of neurology, the study of the nerves and the nervous system.
B.
During the final lap of the race against the clock, Bannister knew he could finish the race in under 59 seconds.
C.
Of his neurology career and his track achievements, as the greatest runner ever, Bannister claims that working hard is the secret to his success.
D.
Since his parents couldn't afford to send him to college, he worked to win scholarships to study medicine at Oxford.
