The slowest drug absorption/response is definitely oral/digestion route.
The fastest drug response time route would be intravenous, the drugs directly enter the blood so it can work instantly. Snorting/inhaling drug still need time to be absorbed to the blood vessel. It might be fast enough if used for local response (example: asthma). The mechanism probably by mucosa diffusion so its similar to rectal or sublingual route.
After experiencing a loss, it's important to take care of yourself by maintaining your physical health - C. You didn't really write the whole part of the answer C, but it's most likely that the physical health is something that should be maintained after someone loses somebody else.
This is known as cervical radiculopathy.
Make it attainable by describing how to practice for better accuracy
