To choke on something ..gagged is the past tense of gag
This can be interpreted from either First or Second person depending on the context but I'd say your best bet is First person. Hope this helped!
Our body requires many nutrient (s) . OR,
There is only one type of nutrient in this box of juice.
○ Hopefully this helps ♡ ♡
The answer is c.) a premise. A premise is a previous statement or proposition from which another is inferred or follows as a conclusion. Hope that helped!