Which statement provides evidence that a product such as the thermometer pill will be helpful to athletes and coaches?

A) Many athletes need to be educated on the dangers of heatstroke.
B) On average the cost is $50.00 per pill.
C) Over the past ten years more than two dozen athletes have died from heatstroke.
D) While these tiny lifesavers have proven to be effective, they are quite expensive.<---???

The statement in question, "While these tiny lifesavers have proven to be effective, they are quite expensive," does not provide evidence that the thermometer pill will be helpful to athletes and coaches. Instead, it suggests that the product is effective but expensive.

To find a statement that provides evidence, we need to look for a statement that directly supports the usefulness of the thermometer pill for athletes and coaches.

Statement C) "Over the past ten years more than two dozen athletes have died from heatstroke" is the statement that provides evidence. This statement indicates that heatstroke is a serious issue that athletes and coaches need to address. The thermometer pill, which can help monitor body temperature and prevent heatstroke, would be helpful in this context.

Please read and re-read this part of the question:

will be helpful to athletes and coaches

Then re-think.