“The Sports Gene”: Which of the following inferences about the jumping success of Stefan Holm is best supported by the last third of the excerpt? Question 1 options: a) Holm was a great high jumper because, like Donald Thomas, he had an exceptionally long Achilles tendon. b) Holm had a stiffer Achilles tendon that helped him jump to greater heights. c) Thomas passed Holm because Holm could not improve the height of his jumps after years of practice. d) Holm became an Olympic champion because of his hard work.