P.E: Mona completed a fitness test and determined that she was in the

[DaymeGarcia]

60th percentile. What does this mean? A. she has achieved 60 percent of her expected muscle fitness
B. 60 percent of the people in her category performed better than she did
C. 40 percent of the people in her category performed better than she did
D. she is using 60 percent of her muscle strength

I dont get this question..
can any one help?