Final answer:
The correct answer is B. standardization. Vital Health Products reduced the length of the tread in their treadmills sold in China to match the average leg length of the Chinese population, standardizing their product for the Chinese market.
Step-by-step explanation:
The correct answer to this question is B. standardization. Standardization refers to the process of making a product uniform or consistent across different markets or regions. In this case, Vital Health Products reduced the length of the tread in their treadmills sold in China to match the average leg length of the Chinese population. By doing so, they have standardized their product to meet the specific needs and preferences of the Chinese market.