4. What purpose is the author attempting to convey by including the following quote? "What we haven't got from World Athletics is any
indication that those decisions were based on science," Orr said. "They seemed to be based on a competitive product that meets those
numbers exactly, and that's how decisions were made versus something that was truly science-based."
a) to show that some industry insiders suspect World Athletics' new regulations are intended to give an advantage to one company
b) to show that many experts fail to understand how World Athletics decided on its newly issued rules for competition running shoes
c) to illustrate the difficulty of setting rules for competitive running footwear when companies are constantly innovating
d) to illustrate the effects of the new rules about competitive running footwear on athletes' preparations for the 2020 Olympics in Tokyo