B.
because its at your pace when its most convinient 4 u.
1)---- Aerobic
2)--- Anaerobic
3)--- Duration
4)---- Lactic acid
5)---- Frequency
6)---- Adenosine triphosphate
7)--- Mode
8)---- Intensity
Based on the context clues, the meaning of the word "blows" is most likely the third option, bullets. Hope this helps!
The answer to your question is Prose.
