To do so, she obtained her first pair of sprinting legs...
单项选择题To do so, she obtained her first pair of sprinting legs with which she hoped to break the time she needed for Paralympic placement. (Para.6)
A、To this end, she got her first pair of sprinting legs, which she needed to set another record in the Paralympic Games.
B、To realize her dream, she got her first pair of sprinting legs, which could help her run fast enough to be qualified for the competition in the Paralympic Games.