Most physical training programs build endurance gradually over weeks of increasing exertion. ______ , high-intensity interval training relies on very short bursts of maximum effort separated by brief recovery periods.
Which choice completes the text with the most logical transition?
- A
Likewise
- B
In particular
- C
Therefore
- Dcheck_circle
By contrast
Explanation
HIIT operates on a different principle. "By contrast" signals contrast. The others do not.