"The Sports Gene": The author suggests that Thomas’ high-jumps were remarkable mainly by . Question 21 options: a) portraying Thomas as boastful before the first jumps b) explaining that Mattis set the bar before Thomas arrived for the jumps c) entioning that this was taking place in a college in Missouri d) pointing out that Thomas had very poor technique when he first tried high jumping

d). pointing out that Thomas had very poor technique when he first tried high jumping.

Explanation:

'The Sports Gene' authored by David Epstein outlines the impact of adequate training and genetics on athletic performances. He illustrates several instances of differents sports-person to highlight this idea. The two examples are Stefan Holm and Donald Thomas who have both became great high-jumpers despite their base being entirely different. On the one hand, Holm was introduced to a specific training since early childhood which made him eventually successful. While on the other hand, Thomas was extremely poor with the technicalities when he began to learn the sport. However, he later followed the '10,000-hour rule' and acquired it so well that he became one of the best professional high jumpers. Thus, option d is the correct answer.

the answer can be "credo" it means to believe = the word credo means "an official statement of beliefs"