After Reading the Paragraph Below, Answer the Questions That Follow

Multiple Choice

After reading the paragraph below, answer the questions that follow.
The "Ironman" is a version of the triathlon, a race that includes three events: swimming, bicycling, and running. In an Ironman, an athlete must swim 2.4 miles, bike 112 miles, and run 26.2 miles, in that order, without a break. The annual Ironman World Championship is held in Hawaii every year. The men's course record was set in 2011 by Australia's Craig Alexander with a time of 8 hours, 18 minutes, and 37 seconds, and the women's course record was set in 2009 by England's Chrissie Wellington with a time of 8 hours, 54 minutes, and 2 seconds.
-Which event of the Ironman would likely contribute the most to bone development and growth?

A) swimming
B) bicycling
C) running
D) All events would contribute equally.