In a Classic Study by Ursin Et Al

In a classic study by Ursin et al., hormonal responses to stress was studied in a group of Norwegian military during parachute training. What did the results show during training?

A) In the beginning, cortisol levels were high before each jump but these declined over time; testosterone was initially low but then returned to normal.
B) In the beginning, cortisol levels were low before each jump but these increased over time; testosterone was initially high but then returned to normal.
C) In the beginning, cortisol levels were low before each jump but these increased over time; testosterone was also low initially but then returned to normal.
D) In the beginning, cortisol levels were high before each jump but these increased over time; testosterone was initially high but then returned to normal.