Pretty sure it could be head circles because your neck is really delicate and if something happens, you could get seriously hurt or disabled from moving. (Sorry if I’m wrong, I’m no doctor)
When you touch something that is cold the sensory neurons in your hand send a signal to you spinal cord which sends the message to the sensory cortex which is in the parietal lobe.
Your audience should probably be adults. If adults learn the healthy habits of eating they can pass it on to their children and friends. Maybe posters or news segments could work to spread the news. This idea could work because adults watching the news segment and Billboards will choose not to pick up that snickers in the grocery store check out but instead trail mix.
Thats all you will need, just elaborate a bit more!
Answer:
I'd say A but its really between A or C
