Which of the following statements provides the strongest claim?

A
Some employees take short walks during the day to energize their body and mind.

B
Promoting health and wellness is far more important than bottom-line profits when it comes to business.

C
Companies should reward employees for using their breaks to take short walks, as the exercise may actually improve productivity.

D
Studies have shown that the productivity of employees who take short walks once or twice a day is higher than the productivity of employees who do not.